Bluesky app fork with some witchin' additions 馃挮 forked from jollywhoppers.com/witchsky.app

Composer - fix modals, and other tweaks (#4298) master

* fix depreciated import * add animations to old dropdown * wrap modals in fullwindowoverlay * move errors inside header * add background to bottom bar and stop overlap * nest dialogs on android * fix android (wrap in gesturehandlerrootview) * make borders all the same color * revert threadgate button back to solid