preserve url params when saving data app pages (#25874)

* preserve params when saving the dashboard, essential for data apps details

* keep existing behavior for normal dashboards, keep params for pages

frontend/src/metabase/dashboard/actions/save.js

@@ -159,8 +159,12 @@ export const saveDashboardAndCards = createThunkAction(
 
       await dispatch(Dashboards.actions.update(dashboard));
 
-      // make sure that we've fully cleared out any dirty state from editing (this is overkill, but simple)
-      dispatch(fetchDashboard(dashboard.id, null)); // disable using query parameters when saving
+      if (dashboard.is_app_page) {
+        dispatch(fetchDashboard(dashboard.id, window.location.search, true));
+      } else {
+        // make sure that we've fully cleared out any dirty state from editing (this is overkill, but simple)
+        dispatch(fetchDashboard(dashboard.id, null)); // disable using query parameters when saving
+      }
     };
   },
 );