Initial proof-of-concept for QML filter view and favorite filters
Improve filter menu size and placement
Fix filter view visibility
Implement filter view flow based on dock orientation
Better handling of filter removal - prevent crash
Toggle enable state on filter double click
Add DnD filter reorder
Remove from filter model directly rather than through signals
Set current filter when it is added
Connect fade in/out duration change to filter configuration
Reset filter view when theme changes.
Improvements to filter menu
Smooth out filter menu resize
Make the filter menu look more like native menus

This works ok for light and dark themes. But it doesn't match for the system theme because the system style uses colors for the menus that aren't defined in the palette.
Use Label for text in AttachedFilters
Reduce animation duration to make it feel smoother
Don't allow filters to be added when no producer is loaded
Fix filter config panel in Windows
Split FilterMenu into multiple files
Merge branch 'master' of https://github.com/pez4brian/shotcut