feat: Add idle detection to collaboration feature (#2877)
* Start idle detection implementation
* First working version
* Add screen state
* Add type safety
* Better rendering, enum types, localization
* Add origin trial token
* Fix
* Refactor idle detection to no longer use IdleDetector API
* Cleanup some leftovers
* Fix
* Apply suggestions from code review
* Three state: active 🟢, idle 💤, away ⚫️
* Address feedback from code review
Thanks, @lipis
* Deal with unmount
Co-authored-by: Panayiotis Lipiridis <lipiridis@gmail.com>
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