AlertingNG: Modify queries and transform endpoint to get datasource UIDs (#30297)

* Pass skipCache from context

* Use macaron Params instead of ParamsEscape for UIDs

* Modify queries and transform to get datasource UIDs

* Update github.com/grafana/grafana-plugin-sdk-go to v0.83.0

pkg/expr/transform.go

@@ -131,14 +131,17 @@ func QueryData(ctx context.Context, req *backend.QueryDataRequest) (*backend.Que
 	}
 
 	datasourceID := int64(0)
+	var datasourceUID string
 
 	if req.PluginContext.DataSourceInstanceSettings != nil {
 		datasourceID = req.PluginContext.DataSourceInstanceSettings.ID
+		datasourceUID = req.PluginContext.DataSourceInstanceSettings.UID
 	}
 
 	getDsInfo := &models.GetDataSourceQuery{
 		OrgId: req.PluginContext.OrgID,
 		Id:    datasourceID,
+		Uid:   datasourceUID,
 	}
 
 	if err := bus.Dispatch(getDsInfo); err != nil {