Fix initDashboard bug (#53722) (#53759)

Co-authored-by: Erik Sundell <erik.sundell87@gmail.com>
(cherry picked from commit c8fc840865)

Co-authored-by: Torkel Ödegaard <torkel@grafana.com>

public/app/features/dashboard/state/initDashboard.test.ts

@@ -160,6 +160,10 @@ function describeInitScenario(description: string, scenarioFn: ScenarioFn) {
                   title: 'Redshift and Azure',
                   type: 'stat',
                 },
+                {
+                  id: 9,
+                  type: 'text',
+                },
               ],
               title: 'Collapsed Panel',
               type: 'row',

public/app/features/dashboard/state/initDashboard.ts

@@ -115,7 +115,7 @@ const getQueriesByDatasource = (
   panels.forEach((panel) => {
     if (panel.panels) {
       getQueriesByDatasource(panel.panels, queries);
-    } else {
+    } else if (panel.targets) {
       panel.targets.forEach((target) => {
         if (target.datasource?.type) {
           if (queries[target.datasource.type]) {