This moves the banners to the root composable and so eliminates the need to
track the app states in every screen.
(cherry picked from commit d97eab03283ea8b686ffa007bfc69224348b24f1)
# Conflicts:
# app/src/main/java/eu/kanade/presentation/more/MoreScreen.kt
# app/src/main/java/eu/kanade/tachiyomi/ui/browse/BrowseTab.kt
# app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/BrowseSourceScreen.kt
# app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/BrowseSourceScreenModel.kt
# app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryScreenModel.kt
# app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt
# app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaScreenModel.kt
Some navigation janks will be dealt with when the migration is complete
(cherry picked from commit 94d1b68598692cc0ef981e2dfbf12303fa962f63)
# Conflicts:
# app/src/main/java/eu/kanade/presentation/browse/BrowseSourceScreen.kt
# app/src/main/java/eu/kanade/presentation/browse/SourceSearchScreen.kt
# app/src/main/java/eu/kanade/presentation/browse/components/BrowseSourceComfortableGrid.kt
# app/src/main/java/eu/kanade/presentation/browse/components/BrowseSourceCompactGrid.kt
# app/src/main/java/eu/kanade/presentation/browse/components/BrowseSourceList.kt
# app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/search/SourceSearchController.kt
# app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/SourcesTab.kt
# app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/BrowseSourceController.kt
# app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/BrowseSourceScreenModel.kt
# app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/SourceFilterSheet.kt