InfluxDB: Fix Cannot read property 'length' of undefined in when parsing response (#32504)

* Fix Cannot read property 'length' of undefined in Influx

* Update public/app/plugins/datasource/influxdb/response_parser.ts

Co-authored-by: Piotr Jamróz <pm.jamroz@gmail.com>

* Update public/app/plugins/datasource/influxdb/response_parser.ts

* Revert to original solution

Co-authored-by: Piotr Jamróz <pm.jamroz@gmail.com>

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

@@ -2,7 +2,7 @@ import _ from 'lodash';
 
 export default class ResponseParser {
   parse(query: string, results: { results: any }) {
-    if (!results || results.results.length === 0) {
+    if (!results?.results || results.results.length === 0) {
       return [];
     }