* fix: unread indicator behaviour
* minor fixes
* no need to deep copy the state
* removed state update of show indicator
* refactor to handle delete & insert thread cases and getting rid of unnecessary state
* removing unnecessary updates to store
* with update event if the thread is not there we'll put it in
* fetching the comments when user starts to edit the app
* updated tests
* typo fixed
* using memo to get the unread comments flag
* removed dependency from global state
* storing last updated comment thread id for each application.
* updated a few test cases
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