Dashboard Schema V2: E2E setup (#99843)

* basic setup

* update CODEOWNERS

* update name

* add temp test that ensures we are loading schema V2 json in the UI

* update language

* test with yarn cache and combine steps

* revert combine

* remove commented out code

* Run current dashboard suite, make workflow optional

* make job always succeed

* Remove temp v2 suite

* don't run on draft PRs

* command for old arch

e2e/cypress/support/e2e.js

@@ -50,4 +50,9 @@ beforeEach(() => {
     cy.logToConsole('disabling dashboardScene feature toggle in localstorage');
     cy.setLocalStorage('grafana.featureToggles', 'dashboardScene=false');
   }
+
+  if (Cypress.env('useV2DashboardsAPI')) {
+    cy.logToConsole('enabling v2 dashboards API in localstorage');
+    cy.setLocalStorage('grafana.featureToggles', 'useV2DashboardsAPI=true');
+  }
 });