Merge pull request #5984 from Countly/SER-2300-push-notification-plugin-check

update changelog for drill push enable check

Author: coskunaydinoglu

CHANGELOG.md

@@ -3,6 +3,8 @@ Features:
 - [hooks] Added remote config changes to internal actions
 - [system-utility] New endpoint: /take-heap-snapshot.
 - [system-utility] Using nodejs fs to write profiler files instead of gridfs.
+Fixes:
+- [drill] Fix for UI error when push plugin is not enabled
 
 Enterprise fixes:
 - [drill] Fixed empty events list in drill section