Cloudwatch: Move deep link creation to the backend (#30206)

* get meta data from dataframe meta

* gmdMeta is not used anymore

* wip: move deep link creation to backend

* Refactor backend. Remove not used front end code

* Unit test deep links. Remove not used frontend tests

* remove reference to gmdmeta

* fix goimports error

* fixed after pr feedback

* more changes according to pr feedback

* fix lint issue

* fix bad math expression check and fix bad test

* Decrease nesting

* put link on first data field only

pkg/tsdb/cloudwatch/time_series_query.go

@@ -97,7 +97,17 @@ func (e *cloudWatchExecutor) executeTimeSeriesQuery(ctx context.Context, queryCo
 			}
 
 			cloudwatchResponses = append(cloudwatchResponses, responses...)
-			res := e.transformQueryResponsesToQueryResult(cloudwatchResponses)
+			res, err := e.transformQueryResponsesToQueryResult(cloudwatchResponses, requestQueries, startTime, endTime)
+			if err != nil {
+				for _, query := range requestQueries {
+					resultChan <- &tsdb.QueryResult{
+						RefId: query.RefId,
+						Error: err,
+					}
+				}
+				return nil
+			}
+
 			for _, queryRes := range res {
 				resultChan <- queryRes
 			}