Alerting: Run queries (#33423)

* alertingqueryrunner first edition

* added so we always set name and uid when changing datasource.

* wip.

* wip

* added support for canceling requests.

* util for getting time ranges for expression queries

* remove logs, store data in state

* added structure for marble testing.

* change so the expression buttons doesnt submit form.

* fixed run button.

* replaced mocks with implementation that will set default query + expression.

* fixed so we set a datasource name for the default expression rule.

* improving expression guard.

* Update public/app/features/alerting/components/AlertingQueryEditor.tsx

Co-authored-by: Hugo Häggmark <hugo.haggmark@grafana.com>

* fixed some nits.

* some refactoring after feedback.

* use grafanthemev2

* rename grafanatheme

* fixing so we convert to correct relative time range.

* added some more tests.

* fixing so duplicating query works.

* added some more tests without marbles.

* small refactoring to share code between runRequest and alerting query runner.

Co-authored-by: Marcus Andersson <marcus.andersson@grafana.com>
Co-authored-by: Hugo Häggmark <hugo.haggmark@grafana.com>

public/app/features/alerting/unified/components/rule-editor/AlertRuleForm.tsx

@@ -16,7 +16,7 @@ import { saveRuleFormAction } from '../../state/actions';
 import { RuleWithLocation } from 'app/types/unified-alerting';
 import { useDispatch } from 'react-redux';
 import { useCleanup } from 'app/core/hooks/useCleanup';
-import { rulerRuleToFormValues, defaultFormValues } from '../../utils/rule-form';
+import { rulerRuleToFormValues, defaultFormValues, getDefaultQueries } from '../../utils/rule-form';
 import { Link } from 'react-router-dom';
 
 type Props = {
@@ -31,7 +31,10 @@ export const AlertRuleForm: FC<Props> = ({ existing }) => {
     if (existing) {
       return rulerRuleToFormValues(existing);
     }
-    return defaultFormValues;
+    return {
+      ...defaultFormValues,
+      queries: getDefaultQueries(),
+    };
   }, [existing]);
 
   const formAPI = useForm<RuleFormValues>({