There seems to be little value in this feature, and juggling flag masks is annoying.
Per-category sorting is still a thing, but could be refactored away from the flag in the feature.
(cherry picked from commit 405a75438a61770a12292cc87c0fa36e16668124)
# Conflicts:
# app/src/main/java/eu/kanade/presentation/library/LibrarySettingsDialog.kt
# app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryScreenModel.kt
# app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryTab.kt
# domain/src/main/java/tachiyomi/domain/category/interactor/SetDisplayModeForCategory.kt
# domain/src/main/java/tachiyomi/domain/category/interactor/SetSortModeForCategory.kt