Future-proofing query and data source model in Dashboard Schema v2 (#104194)

---------

Signed-off-by: Igor Suleymanov <igor.suleymanov@grafana.com>
Co-authored-by: alexandra vargas <alexa1866@gmail.com>
Co-authored-by: Haris Rozajac <haris.rozajac12@gmail.com>
Co-authored-by: Dominik Prokop <dominik.prokop@grafana.com>
Co-authored-by: Igor Suleymanov <igor.suleymanov@grafana.com>
Co-authored-by: spinillos <selenepinillos@gmail.com>

e2e/utils/flows/scenes/importDashboard.ts

@@ -17,5 +17,9 @@ export const importV2Dashboard = ({ title }: ImportDashboardConfig) => {
   if (title) {
     e2e.components.ImportDashboardForm.name().clear().type(title);
   }
+
+  e2e.components.DataSourcePicker.inputV2().click();
+  cy.get('div[data-testid="data-source-card"]').first().click();
+
   e2e.components.ImportDashboardForm.submit().click();
 };