Apply system animation scale to parts of Tachiyomi that don't respect it by default (#5794)

* 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

app/src/main/res/xml/manga_info_header_scene.xml

@@ -5,6 +5,7 @@
     <Transition
         motion:constraintSetEnd="@+id/end"
         motion:constraintSetStart="@id/start"
+        android:id="@+id/manga_info_header_transition"
         motion:duration="@android:integer/config_mediumAnimTime">
         <KeyFrameSet></KeyFrameSet>
         <OnClick motion:targetId="@+id/manga_cover" />

app/src/main/res/xml/manga_summary_section_scene.xml

@@ -5,6 +5,7 @@
     <Transition
         motion:constraintSetEnd="@+id/end"
         motion:constraintSetStart="@id/start"
+        android:id="@+id/manga_summary_section_transition"
         motion:duration="1">
         <KeyFrameSet></KeyFrameSet>
         <OnClick motion:clickAction="toggle" />