Refactor the Display panel according to the new UI and move it a pop-over in the Header.
Use a regular drop down menu for the draw channels property.
Menu corrections.
Moved Scopes to the Sidebar (N region).
Note:
- Added IMAGE_MT_view_zoom menu for the fractional zoom entries
- Moved the Copy Mirrored UV entry to Mirror menu
- Added some separators
- Renamed the IMAGE_PT_view_properties to IMAGE_PT_view_display
- Added two related sub-panels IMAGE_PT_view_display_uv_edit_overlays and IMAGE_PT_view_display_uv_edit_overlays_advanced
- Some little python style tweaks (like finish the comment with a point)
- Scopes panels are moved to the Sidebar. Introduced the IMAGE_PT_view_scopes panel as the parent one.




