influxdb: influxql: fix dataframe column-names (#37195)

public/app/plugins/datasource/influxdb/datasource.ts

@@ -85,7 +85,9 @@ function timeSeriesToDataFrame(timeSeries: TimeSeries): DataFrame {
   const valueField = {
     name: TIME_SERIES_VALUE_FIELD_NAME,
     type: getFieldType(values),
-    config: {},
+    config: {
+      displayNameFromDS: timeSeries.title,
+    },
     values: new ArrayVector<unknown>(values),
     labels: timeSeries.tags,
   };

public/app/plugins/datasource/influxdb/influx_series.ts

@@ -52,6 +52,7 @@ export default class InfluxSeries {
         }
 
         output.push({
+          title: seriesName,
           target: seriesName,
           datapoints: datapoints,
           tags: series.tags,