NO MERGE: Open browser tab from command

[mitchdenny]

Description

This is just a spike on opening a browser tab in response to command defined in the app model executing. The biggest issue with this so far is that opening the tab is blocked by the popup blocker (for good reason).

To solve this problem, I think we are going to want to define a kind of ResourceUrlCommandAnnotation or something like that which results in the tab being opened in response to the user initiated click in a browser.

Another issue this PR has which is specific to codespaces it that the URL we insert isn't Codespace forwarding URL aware. So we'll need to be able to inject the URL command annotations after endpoints have been allocated.

Fixes # (issue)

Checklist

• Is this feature complete?
  • Yes. Ready to ship.
  • No. Follow-up changes expected.
• Are you including unit tests for the changes and scenario tests if relevant?
  • Yes
  • No
• Did you add public API?
  • Yes
    • If yes, did you have an API Review for it?
      • Yes
      • No
    • Did you add <remarks /> and <code /> elements on your triple slash comments?
      • Yes
      • No
  • No
• Does the change make any security assumptions or guarantees?
  • Yes
    • If yes, have you done a threat model and had a security review?
      • Yes
      • No
  • No
• Does the change require an update in our Aspire docs?
  • Yes
    • Is this introducing a breaking change?
      • Yes
        • Link to aspire-docs issue (please use this breaking-change template):
      • No
        • Link to aspire-docs issue (please use this doc-idea template):
  • No

Microsoft Reviewers: Open in CodeFlow

[JamesNK]

We could choose violence and just call Process.Start("http://theurl.com"); in the command. That launches a new browser with the URL.

(I think doing it in the browser is probably better, even if it requires showing a dialog with the link)