UI: Freestyle UI Upgrade
Suggested and funded by [[ https://blendernpr.org/| BNPR ]], this patch aims to update the long not-updated Freestyle UI
**Why do the UI upgrade:**
- Freestyle UI doesn't match the rest of Blender UI, it was neglected for a long time
- The current UI makes Freestyle workflows tedious and distracting
**Highlights:**
For before/after screenshots see https://developer.blender.org/D10505
Video:
https://youtu.be/qaXhuJW_c9U
Workflow video (older revision): https://youtu.be/IqbjIq_A800
Doc patch (WIP): https://github.com/bnpr/FreestyleUIUpgrade/blob/main/freestyle-ui-upgrade-docs.diff
Reviewed By: #user_interface, Blendify, HooglyBoogly, Severin
Differential Revision: https://developer.blender.org/D10505
6f52ebba19