Should probably wait for sources to definitely be loaded first, but that's
sort of a bigger change and needs to be lifecycle-aware.
(cherry picked from commit e36a2c68f112f98155f5eea859a59a13cc22e168)
# Conflicts:
# app/src/main/java/eu/kanade/tachiyomi/ui/browse/extension/details/SourcePreferencesScreen.kt