Variables: turns on newVariables as a new default (#23272)

* Variables: turns on newVariables as default

* Chore: adds default templating state

* Some small refactorings to get the template_srv tests to get green when toggle is enabled by default.

* Refactor: adds getVariables dependency to DashboardModel

* Tests: fixes StackDriver tests

* Tests: updates snapshots

* Tests: updates snapshot for DashboardGrid.test.tsx

* Tests: fixes DashboardModel.test.ts

* fixed initDashboard tests.

* renamed variable.

* changed so we use the templating.list when running the migration work.

* changed so we always returns the variables in sorted order.

* Tests: fixed cloudwatch tests

* added so we set the global template variable props.

* Fixed tests and added moved logic to complete templateSrv variables.

* removed unneccesary updateIndex.

Co-authored-by: Marcus Andersson <marcus.andersson@grafana.com>

packages/grafana-runtime/src/config.ts

@@ -71,7 +71,7 @@ export class GrafanaBootConfig {
     expressions: false,
     newEdit: false,
     meta: false,
-    newVariables: false,
+    newVariables: true,
     tracingIntegration: false,
   };
   licenseInfo: LicenseInfo = {} as LicenseInfo;