GPencil: Refactor Append operators

Now the operators work like other areas of Blender using the list of selected objects.

Also, the name has been changed to:

```Layers:
- Copy Layer to Selected
- Copy All Layers to Selected

Materials:
- Copy Material to Selected
- Copy All Materials to Selected```

Reviewed By: mendio, pablovazquez, pepeland

Differential Revision: https://developer.blender.org/D11216

1 files changed, 1 insertions, 1 deletions

diff --git a/source/blender/editors/gpencil/gpencil_fill.c b/source/blender/editors/gpencil/gpencil_fill.c
index 62d64c67b08..f74e211dd65 100644
--- a/source/blender/editors/gpencil/gpencil_fill.c
+++ b/source/blender/editors/gpencil/gpencil_fill.c
@@ -1689,7 +1689,7 @@ static tGPDfill *gpencil_session_init_fill(bContext *C, wmOperator *op)
   tgpf->gpd = gpd;
   tgpf->gpl = BKE_gpencil_layer_active_get(gpd);
   if (tgpf->gpl == NULL) {
-    tgpf->gpl = BKE_gpencil_layer_addnew(tgpf->gpd, DATA_("GP_Layer"), true);
+    tgpf->gpl = BKE_gpencil_layer_addnew(tgpf->gpd, DATA_("GP_Layer"), true, false);
   }
 
   tgpf->lock_axis = ts->gp_sculpt.lock_axis;