The `in int flag;` in `gpu_shader_2D_edituvs_faces_vert.glsl` don't have the values `FACE_UV_ACTIVE` and `FACE_UV_SELECT`.
This patch indicates where it could be added.
But this logic is also seen in `mesh_render_data_face_flag` so we need to evaluate if there is something being duplicated.
Ref T72119