Describe the bug:
UI is inconsistent on Alert Page Column Clicking

Kibana/Elasticsearch Stack version:

Version: 8.0.0_Snapshot
Build: 47315
Commit: 9d0bf40c25dcdb3e58a489f936d7413c15c6949a

Browser and Browser OS versions:

Chrome: 94.0.4606.81 (Official Build) (64-bit)

Preconditions

1. Elasticsearch should be up and running
2. Kibana should be up and running
3. Data should be present in Alerts table

Steps to reproduce:

1. Navigate to Security>>Alerts Tab
2. Click on columns of Alerts table randomly.

Current behavior:
Columns are getting highlighted inconsistently.

Expected behavior:
Selected column should be highlighted.

Screen Recording