* upgrade api level to Android 10, resolve compile errors
* use androidx.preference.PreferenceManager instead of deprecated platform class
* add hyphenation to important TextViews
* setBottomSheetCallback -> addBottomSheetCallback
* implement new sharing api
* improve TuskyTileService so it shows account picker when multiple accounts are present
* delete unused AccountChooserService
* fix test
* improve ShareShortcutHelper
* remove debug log statement
* improve image loading fallback behavior in ShareShortcutHelper
* improve behavior on foldable devices
