Alerting: app specific query editors for Loki and Prometheus (#34365)

* Adding simplified version of query editor based on app flag.

* cleaned up the absolute time range.

* changing placeholder text.

* updated snapshot.

* added some tests.

* adding loki query editor tests.

* updating snapshots.

packages/grafana-data/src/types/app.ts

@@ -7,6 +7,7 @@ export enum CoreApp {
   Dashboard = 'dashboard',
   Explore = 'explore',
   Unknown = 'unknown',
+  CloudAlerting = 'cloud-alerting',
 }
 
 export interface AppRootProps<T = KeyValue> {

packages/grafana-data/src/types/datasource.ts

@@ -367,6 +367,7 @@ export interface QueryEditorProps<
   exploreId?: any;
   history?: HistoryItem[];
   queries?: DataQuery[];
+  app?: CoreApp;
 }
 
 // TODO: not really needed but used as type in some data sources and in DataQueryRequest