Dashboards: Enable scenes by default (#93818)

* Mark Scenes feature toggles as GA

* Move old arch e2e to a new folder

* Run E2E on scenes by default

* Upgrade e2e-selectors to ensure the tests in Playwright works

e2e/old-arch/utils/flows/addPanel.ts

@@ -0,0 +1,15 @@
+import { v4 as uuidv4 } from 'uuid';
+
+import { getScenarioContext } from '../support/scenarioContext';
+
+import { configurePanel, PartialAddPanelConfig } from './configurePanel';
+
+export const addPanel = (config?: Partial<PartialAddPanelConfig>) =>
+  getScenarioContext().then(({ lastAddedDataSource }) =>
+    configurePanel({
+      dataSourceName: lastAddedDataSource,
+      panelTitle: `e2e-${uuidv4()}`,
+      ...config,
+      isEdit: false,
+    })
+  );