Bubble chat cannot be minimize after open it on version 2.0.X

[mifrero]

Describe the bug
In this website there is a chat bubble on the right-bottom corner. When Delay JavaScript execution is enabled, the chat can be showed clicking on the bubble but you cannot minimize. The issue happens even excluding all scripts with (.*). Changing to verdion 1.2.6 the issue is solved.

To Reproduce
Steps to reproduce the behavior:

1. Disable Minify JavaScript and Load JavaScript deferred, and the helper plugin WP Rocket | Change Delay JS Execution Script
2. Go to the website
3. Interact with the page and wait for the chat bubble and open the chat
4. Try to minimize the chat (you cannot)

Expected behavior
The bubble chat can be open, minimize and close it without any issue on DJS 2.0.4

Screenshots

Desktop (please complete the following information):
The issue can be reproduce on Desktop version