The remaining ones could also be converted to FlowPreferences for this, but it's not really necessary.
(cherry picked from commit f3718257f50e595dbbf04c8d2e90a21fb4d80c09)
# Conflicts:
# app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferenceKeys.kt
# app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferencesHelper.kt
# app/src/main/java/eu/kanade/tachiyomi/ui/browse/extension/ExtensionPresenter.kt
# app/src/main/java/eu/kanade/tachiyomi/ui/library/LibrarySettingsSheet.kt
# app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsAdvancedController.kt
# app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsBrowseController.kt
# app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsLibraryController.kt
# app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsReaderController.kt
# app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsSecurityController.kt