Changelog
- Minor bug fixes
By default, this module enables the chat head feature.
In order to change it to bubble,
-> Open Messenger app and go to its setting page.
-> Click on the toggle 
-> Choose bubble option from the pop-up dialog.
[If you want to hide the toggle icon, long press on it and remove.]
[Solution for Android 12 freezing issue] ✔
-> Install Termux app and run this command:
su -c settings put global block_untrusted_touches 0
[uninstall termux again if you don't need it]
Source code: https://github.com/NeonOrbit/ChatHeadEnabler