### 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
drag_type = (DragType)((int)DRAG_TYPE_RESIZE_TOP + i * 2);
										drag_start_mouse_pos = mouse_local_pos;
										drag_last_mouse_pos = drag_start_mouse_pos;
										drag_current_tile = selected.tile;
										drag_start_tile_shape = Rect2i(selected.tile, tile_set_atlas_source->get_tile_size_in_atlas(selected.tile));
									}
								}
							}
						}
						
						if (drag_type == DRAG_TYPE_NONE) {
							TileSelection selected = { TileSetSource::INVALID_ATLAS_COORDS, TileSetSource::INVALID_TILE_ALTERNATIVE };
							Vector2i coords = tile_atlas_view->get_atlas_tile_coords_at_pos(mouse_local_pos);
							if (coords != TileSetSource::INVALID_ATLAS_COORDS) {
								coords = tile_set_atlas_source->get_tile_at_coords(coords);
								if (coords != TileSetSource::INVALID_ATLAS_COORDS) {
									selected = { coords, 0 };
								}
							}
							bool shift = mb->is_shift_pressed();
							if (!shift && selection.size() == 1 && selected.tile != TileSetSource::INVALID_ATLAS_COORDS && selection.has(selected)) {
								
								drag_type = DRAG_TYPE_MOVE_TILE;
								drag_start_mouse_pos = mouse_local_pos;
								drag_last_mouse_pos = drag_start_mouse_pos;
								drag_current_tile = selected.tile;
								drag_start_tile_shape = Rect2i(selected.tile, tile_set_atlas_source->get_tile_size_in_atlas(selected.tile));
							} else {
								
								drag_type = DRAG_TYPE_RECT_SELECT;