When only handles were selected they could not be set. The problem is that `retrieve_editable_and_selected_strokes` only counts strokes that have selected control points. Pull Request: https://projects.blender.org/blender/blender/pulls/141437
When only handles were selected they could not be set. The problem is that `retrieve_editable_and_selected_strokes` only counts strokes that have selected control points. Pull Request: https://projects.blender.org/blender/blender/pulls/141437