* initial class setup
* handle events and filters
* handle status state changes
* code formatting
* fix status filtering
* cleanup code a bit
* implement removeAllByAccountId
* move toolbar into fragment, implement menu
* error and load state handling
* fix pull to refresh
* implement reveal button
* use requireContext() instead of context!!
* jump to detailed status
* add ViewThreadViewModelTest
* fix ktlint
* small code improvements (thx charlag)
* add testcase for toggleRevealButton
* add more state change testcases to ViewThreadViewModel