### Godot version

4 rc 6

### System information

win 11

### Issue description

if u right click on tile in tileset editor in setup tab you get "delete delete" as an option but if u actually press the delete key it tries to delete the node in the scene tree

### Steps to reproduce

make tileset
add tile
try to delete tile with delete key

### Minimal reproduction project

N/A
memdelete(tile_proxy_object);
	memdelete(atlas_source_proxy_object);
}
void EditorPropertyTilePolygon::_add_focusable_children(Node *p_node) {
	Control *control = Object::cast_to<Control>(p_node);
	if (control && control->get_focus_mode() != Control::FOCUS_NONE) {
		add_focusable(control);
	}
	for (int i = 0; i < p_node->get_child_count(); i++) {
		_add_focusable_children(p_node->get_child(i));
	}
}
void EditorPropertyTilePolygon::_polygons_changed() {
	if (String(count_property).is_empty()) {
		if (base_type == "OccluderPolygon2D") {
			
			Ref<OccluderPolygon2D> occluder;
			if (generic_tile_polygon_editor->get_polygon_count() >= 1) {
				occluder.instantiate();
				occluder->set_polygon(generic_tile_polygon_editor->get_polygon(0));
			}