### 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
if (navigation_polygon.is_valid()) {
				for (int i = 0; i < navigation_polygon->get_outline_count(); i++) {
					generic_tile_polygon_editor->add_polygon(navigation_polygon->get_outline(i));
				}
			}
		}
	} else {
		int count = get_edited_object()->get(count_property);
		if (base_type.is_empty()) {
			
			generic_tile_polygon_editor->clear_polygons();
			for (int i = 0; i < count; i++) {
				generic_tile_polygon_editor->add_polygon(get_edited_object()->get(vformat(element_pattern, i)));
			}
		}
	}
}
void EditorPropertyTilePolygon::setup_single_mode(const StringName &p_property, const String &p_base_type) {
	set_object_and_property(nullptr, p_property);
	base_type = p_base_type;
	generic_tile_polygon_editor->set_multiple_polygon_mode(false);
}
void EditorPropertyTilePolygon::setup_multiple_mode(const StringName &p_property, const StringName &p_count_property, const String &p_element_pattern, const String &p_base_type) {
	set_object_and_property(nullptr, p_property);
	count_property = p_count_property;
	element_pattern = p_element_pattern;
	base_type = p_base_type;
	generic_tile_polygon_editor->set_multiple_polygon_mode(true);
}
EditorPropertyTilePolygon::EditorPropertyTilePolygon() {