### 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
hovered_alternative_tile_coords = Vector3i(TileSetSource::INVALID_ATLAS_COORDS.x, TileSetSource::INVALID_ATLAS_COORDS.y, TileSetSource::INVALID_TILE_ALTERNATIVE);
	tile_atlas_control->queue_redraw();
	tile_atlas_control_unscaled->queue_redraw();
	alternative_tiles_control->queue_redraw();
	alternative_tiles_control_unscaled->queue_redraw();
}
void TileSetAtlasSourceEditor::_tile_alternatives_control_draw() {
	
	if (tools_button_group->get_pressed_button() == tool_select_button) {
		
		Vector2i coords = Vector2(hovered_alternative_tile_coords.x, hovered_alternative_tile_coords.y);
		if (coords != TileSetSource::INVALID_ATLAS_COORDS) {
			Rect2i rect = tile_atlas_view->get_alternative_tile_rect(coords, hovered_alternative_tile_coords.z);
			if (rect != Rect2i()) {
				TilesEditorPlugin::draw_selection_rect(alternative_tiles_control, rect, Color(1.0, 0.8, 0.0, 0.5));
			}
		}
		
		for (const TileSelection &E : selection) {
			TileSelection selected = E;
			if (selected.alternative >= 1) {
				Rect2i rect = tile_atlas_view->get_alternative_tile_rect(selected.tile, selected.alternative);
				if (rect != Rect2i()) {
					TilesEditorPlugin::draw_selection_rect(alternative_tiles_control, rect);
				}
			}
		}
	}
}
void TileSetAtlasSourceEditor::_tile_alternatives_control_unscaled_draw() {