Add `use_mask` property in dopesheet layer channel. Also add an icon to the `use_mask` property. Pull Request: https://projects.blender.org/blender/blender/pulls/121259
Add `use_mask` property in dopesheet layer channel. Also add an icon to the `use_mask` property. Pull Request: https://projects.blender.org/blender/blender/pulls/121259