### 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 (!tile_set_atlas_source.is_valid()) {
		return false;
	}
	
	if (tiles.size() == 1) {
		const Vector2i &coords = tiles.front()->get().tile;
		const int &alternative = tiles.front()->get().alternative;
		if (alternative == 0) {
			Vector<String> components = String(p_name).split("/", true, 2);
			if (p_name == "atlas_coords") {
				r_ret = coords;
				return true;
			} else if (p_name == "size_in_atlas") {
				r_ret = tile_set_atlas_source->get_tile_size_in_atlas(coords);
				return true;
			}
		} else if (alternative > 0) {
			if (p_name == "alternative_id") {
				r_ret = alternative;
				return true;
			}
		}
	}
	
	
	bool all_alternatve_id_zero = true;
	for (TileSelection tile : tiles) {
		if (tile.alternative != 0) {
			all_alternatve_id_zero = false;