Hide tilemap menu when no tilemap is selected

(cherry picked from commit e4a9233a83a78d9296651f5e07a97070f7932c57)

editor/plugins/tile_map_editor_plugin.cpp

@@ -51,6 +51,8 @@ void TileMapEditor::_notification(int p_what) {
 			rotate_180->set_icon(get_icon("Rotate180", "EditorIcons"));
 			rotate_270->set_icon(get_icon("Rotate270", "EditorIcons"));
 
+			search_box->add_icon_override("right_icon", get_icon("Search", "EditorIcons"));
+
 		} break;
 
 		case EditorSettings::NOTIFICATION_EDITOR_SETTINGS_CHANGED: {
@@ -1503,6 +1505,7 @@ TileMapEditor::TileMapEditor(EditorNode *p_editor) {
 	toolbar = memnew(HBoxContainer);
 	toolbar->set_h_size_flags(SIZE_EXPAND_FILL);
 	toolbar->set_alignment(BoxContainer::ALIGN_END);
+	toolbar->hide();
 	CanvasItemEditor::get_singleton()->add_control_to_menu_panel(toolbar);
 
 	// Tile position
@@ -1528,8 +1531,6 @@ TileMapEditor::TileMapEditor(EditorNode *p_editor) {
 
 	toolbar->add_child(options);
 
-	toolbar->add_child(memnew(VSeparator));
-
 	transp = memnew(ToolButton);
 	transp->set_toggle_mode(true);
 	transp->set_tooltip(TTR("Transpose") + " (" + ED_GET_SHORTCUT("tile_map_editor/transpose")->get_as_text() + ")");