* MangaScreen: Improve chapter list scrolling performance
Process chapter title, date and read progress string ahead of time
* Use enum for contentType and add key
(cherry picked from commit 1551891c15eb5d323cb1d425794876a753316091)
# Conflicts:
# app/src/main/java/eu/kanade/presentation/manga/MangaScreen.kt
# app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaPresenter.kt