* add sort by date fetched in library
* chapter fetch date to 8
(cherry picked from commit ddd4cc10ff12d2497a001821c678f2c1a90eef34)
# Conflicts:
# app/src/main/java/eu/kanade/tachiyomi/data/database/queries/MangaQueries.kt
# app/src/main/java/eu/kanade/tachiyomi/ui/library/LibrarySettingsSheet.kt
# app/src/main/java/eu/kanade/tachiyomi/ui/library/LibrarySort.kt