Deselect grid after closing the menu

src/Toolbar.cpp

@@ -735,6 +735,7 @@ void Toolbar::grid_menu(bool justOpened) {
 void Toolbar::stop_displaying_grid_menu() {
     gridMenu.newName.clear();
     gridMenu.popupOpen = false;
+    gridMenu.gridSelected = ServerClientID{0, 0};
 }
 
 void Toolbar::bookmark_menu(bool justOpened) {

src/Toolbar.hpp

@@ -191,7 +191,7 @@ class Toolbar {
         struct GridMenu {
             bool popupOpen = false;
             std::string newName;
-            ServerClientID gridSelected;
+            ServerClientID gridSelected = {0, 0};
         } gridMenu;
 
         bool useNativeFilePicker = true;