using bindTo gives findDOMNode error

**Describe the bug**
`usePortal` with `bindTo` produces the following errors in React 18:

`Warning: findDOMNode is deprecated and will be removed in the next major release. Instead, add a ref directly to the element you want to reference. Learn more about using refs safely here: https://reactjs.org/link/strict-mode-find-node`

**⚠️ Make a Codesandbox ⚠️**
[Sandbox](https://codesandbox.io/p/sandbox/useportal-usemodal-forked-5d6l22?file=%2Fsrc%2Findex.js&layout=%257B%2522sidebarPanel%2522%253A%2522EXPLORER%2522%252C%2522rootPanelGroup%2522%253A%257B%2522direction%2522%253A%2522horizontal%2522%252C%2522contentType%2522%253A%2522UNKNOWN%2522%252C%2522type%2522%253A%2522PANEL_GROUP%2522%252C%2522id%2522%253A%2522ROOT_LAYOUT%2522%252C%2522panels%2522%253A%255B%257B%2522type%2522%253A%2522PANEL_GROUP%2522%252C%2522contentType%2522%253A%2522UNKNOWN%2522%252C%2522direction%2522%253A%2522vertical%2522%252C%2522id%2522%253A%2522clxttbfoe00073b6t4v931df7%2522%252C%2522sizes%2522%253A%255B100%252C0%255D%252C%2522panels%2522%253A%255B%257B%2522type%2522%253A%2522PANEL_GROUP%2522%252C%2522contentType%2522%253A%2522EDITOR%2522%252C%2522direction%2522%253A%2522horizontal%2522%252C%2522id%2522%253A%2522EDITOR%2522%252C%2522panels%2522%253A%255B%257B%2522type%2522%253A%2522PANEL%2522%252C%2522contentType%2522%253A%2522EDITOR%2522%252C%2522id%2522%253A%2522clxttbfoe00033b6tk7hd59vl%2522%257D%255D%257D%252C%257B%2522type%2522%253A%2522PANEL_GROUP%2522%252C%2522contentType%2522%253A%2522SHELLS%2522%252C%2522direction%2522%253A%2522horizontal%2522%252C%2522id%2522%253A%2522SHELLS%2522%252C%2522panels%2522%253A%255B%257B%2522type%2522%253A%2522PANEL%2522%252C%2522contentType%2522%253A%2522SHELLS%2522%252C%2522id%2522%253A%2522clxttbfoe00043b6t92dr1nx8%2522%257D%255D%252C%2522sizes%2522%253A%255B100%255D%257D%255D%257D%252C%257B%2522type%2522%253A%2522PANEL_GROUP%2522%252C%2522contentType%2522%253A%2522DEVTOOLS%2522%252C%2522direction%2522%253A%2522vertical%2522%252C%2522id%2522%253A%2522DEVTOOLS%2522%252C%2522panels%2522%253A%255B%257B%2522type%2522%253A%2522PANEL%2522%252C%2522contentType%2522%253A%2522DEVTOOLS%2522%252C%2522id%2522%253A%2522clxttbfoe00063b6tlrpi1yg1%2522%257D%255D%252C%2522sizes%2522%253A%255B100%255D%257D%255D%252C%2522sizes%2522%253A%255B50%252C50%255D%257D%252C%2522tabbedPanels%2522%253A%257B%2522clxttbfoe00033b6tk7hd59vl%2522%253A%257B%2522tabs%2522%253A%255B%257B%2522id%2522%253A%2522clxttbfoe00023b6t8im7ckaw%2522%252C%2522mode%2522%253A%2522permanent%2522%252C%2522type%2522%253A%2522FILE%2522%252C%2522filepath%2522%253A%2522%252Fsrc%252Findex.js%2522%257D%255D%252C%2522id%2522%253A%2522clxttbfoe00033b6tk7hd59vl%2522%252C%2522activeTabId%2522%253A%2522clxttbfoe00023b6t8im7ckaw%2522%257D%252C%2522clxttbfoe00063b6tlrpi1yg1%2522%253A%257B%2522tabs%2522%253A%255B%257B%2522id%2522%253A%2522clxttbfoe00053b6ti3ri55mc%2522%252C%2522mode%2522%253A%2522permanent%2522%252C%2522type%2522%253A%2522UNASSIGNED_PORT%2522%252C%2522port%2522%253A0%252C%2522path%2522%253A%2522%252F%2522%257D%255D%252C%2522id%2522%253A%2522clxttbfoe00063b6tlrpi1yg1%2522%252C%2522activeTabId%2522%253A%2522clxttbfoe00053b6ti3ri55mc%2522%257D%252C%2522clxttbfoe00043b6t92dr1nx8%2522%253A%257B%2522tabs%2522%253A%255B%255D%252C%2522id%2522%253A%2522clxttbfoe00043b6t92dr1nx8%2522%257D%257D%252C%2522showDevtools%2522%253Atrue%252C%2522showShells%2522%253Afalse%252C%2522showSidebar%2522%253Atrue%252C%2522sidebarPanelSize%2522%253A15%257D).

**To Reproduce**
Steps to reproduce the behavior:
1. Go to [this sandbox](https://codesandbox.io/p/sandbox/useportal-usemodal-forked-5d6l22?file=%2Fsrc%2Findex.js&layout=%257B%2522sidebarPanel%2522%253A%2522EXPLORER%2522%252C%2522rootPanelGroup%2522%253A%257B%2522direction%2522%253A%2522horizontal%2522%252C%2522contentType%2522%253A%2522UNKNOWN%2522%252C%2522type%2522%253A%2522PANEL_GROUP%2522%252C%2522id%2522%253A%2522ROOT_LAYOUT%2522%252C%2522panels%2522%253A%255B%257B%2522type%2522%253A%2522PANEL_GROUP%2522%252C%2522contentType%2522%253A%2522UNKNOWN%2522%252C%2522direction%2522%253A%2522vertical%2522%252C%2522id%2522%253A%2522clxttbfoe00073b6t4v931df7%2522%252C%2522sizes%2522%253A%255B100%252C0%255D%252C%2522panels%2522%253A%255B%257B%2522type%2522%253A%2522PANEL_GROUP%2522%252C%2522contentType%2522%253A%2522EDITOR%2522%252C%2522direction%2522%253A%2522horizontal%2522%252C%2522id%2522%253A%2522EDITOR%2522%252C%2522panels%2522%253A%255B%257B%2522type%2522%253A%2522PANEL%2522%252C%2522contentType%2522%253A%2522EDITOR%2522%252C%2522id%2522%253A%2522clxttbfoe00033b6tk7hd59vl%2522%257D%255D%257D%252C%257B%2522type%2522%253A%2522PANEL_GROUP%2522%252C%2522contentType%2522%253A%2522SHELLS%2522%252C%2522direction%2522%253A%2522horizontal%2522%252C%2522id%2522%253A%2522SHELLS%2522%252C%2522panels%2522%253A%255B%257B%2522type%2522%253A%2522PANEL%2522%252C%2522contentType%2522%253A%2522SHELLS%2522%252C%2522id%2522%253A%2522clxttbfoe00043b6t92dr1nx8%2522%257D%255D%252C%2522sizes%2522%253A%255B100%255D%257D%255D%257D%252C%257B%2522type%2522%253A%2522PANEL_GROUP%2522%252C%2522contentType%2522%253A%2522DEVTOOLS%2522%252C%2522direction%2522%253A%2522vertical%2522%252C%2522id%2522%253A%2522DEVTOOLS%2522%252C%2522panels%2522%253A%255B%257B%2522type%2522%253A%2522PANEL%2522%252C%2522contentType%2522%253A%2522DEVTOOLS%2522%252C%2522id%2522%253A%2522clxttbfoe00063b6tlrpi1yg1%2522%257D%255D%252C%2522sizes%2522%253A%255B100%255D%257D%255D%252C%2522sizes%2522%253A%255B50%252C50%255D%257D%252C%2522tabbedPanels%2522%253A%257B%2522clxttbfoe00033b6tk7hd59vl%2522%253A%257B%2522tabs%2522%253A%255B%257B%2522id%2522%253A%2522clxttbfoe00023b6t8im7ckaw%2522%252C%2522mode%2522%253A%2522permanent%2522%252C%2522type%2522%253A%2522FILE%2522%252C%2522filepath%2522%253A%2522%252Fsrc%252Findex.js%2522%257D%255D%252C%2522id%2522%253A%2522clxttbfoe00033b6tk7hd59vl%2522%252C%2522activeTabId%2522%253A%2522clxttbfoe00023b6t8im7ckaw%2522%257D%252C%2522clxttbfoe00063b6tlrpi1yg1%2522%253A%257B%2522tabs%2522%253A%255B%257B%2522id%2522%253A%2522clxttbfoe00053b6ti3ri55mc%2522%252C%2522mode%2522%253A%2522permanent%2522%252C%2522type%2522%253A%2522UNASSIGNED_PORT%2522%252C%2522port%2522%253A0%252C%2522path%2522%253A%2522%252F%2522%257D%255D%252C%2522id%2522%253A%2522clxttbfoe00063b6tlrpi1yg1%2522%252C%2522activeTabId%2522%253A%2522clxttbfoe00053b6ti3ri55mc%2522%257D%252C%2522clxttbfoe00043b6t92dr1nx8%2522%253A%257B%2522tabs%2522%253A%255B%255D%252C%2522id%2522%253A%2522clxttbfoe00043b6t92dr1nx8%2522%257D%257D%252C%2522showDevtools%2522%253Atrue%252C%2522showShells%2522%253Afalse%252C%2522showSidebar%2522%253Atrue%252C%2522sidebarPanelSize%2522%253A15%257D).
2. Open your browser console.
3. Click on the button to open the portal
4. See the `findDOMNode` error in the console.

**Expected behavior**
There shouldn't be an error when using `bindTo`.


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using bindTo gives findDOMNode error #91

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using bindTo gives findDOMNode error #91

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