* Add initial code for scaling animations, apply scale to reader nav overlay
* Rename extension function, apply system animator scale to ActionToolbar
* Apply system animator scale to expanding manga cover animation
* Apply system animator scale to image crossfade (also disables animated covers when browsing)
* Add documentation, make MotionScene Transition comment a bit more clear
* Disable animated covers in MangaInfoHeaderAdapter if animator duration scale is 0
* Disable animated covers in Library if animator duration scale is 0
* Convert loadAny listener to extension function
(cherry picked from commit df683375b1d7a15c03d315e85d4a0327b49f8ceb)
# Conflicts:
# app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryComfortableGridHolder.kt
# app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryCompactGridHolder.kt
# app/src/main/java/eu/kanade/tachiyomi/ui/manga/info/MangaInfoHeaderAdapter.kt
