AnimAll: Update panel Rename, Cleanup

Bumped version to 0.8.1
As a part of the task T50726:
Update the Panel rename code to a more generic one

PEP8 cleanup:
Tuple imports and use them for class types
instead of the star import
Consistent Scene props definitions

UI refresh when adding or removing keyframes
Fix crash when on delete when there is no keyframes
More extensive Clear Animation tooltip
Fix a misaligned prop