docs: updated changelog with fix for InfluxDB query issue, #8459

CHANGELOG.md

@@ -8,6 +8,7 @@
 
 ## Bug fixes
 
+* **InfluxDB**: Fixed issue with query editor not showing ALIAS BY input field when in text editor mode [#8459](https://github.com/grafana/grafana/issues/8459)
 * **Graph Log Scale**: Fixed issue with log scale going below x-axis [#8244](https://github.com/grafana/grafana/issues/8244)
 * **Playlist**: Fixed dashboard play order issue [#7688](https://github.com/grafana/grafana/issues/7688)