Missing pixels on tabs in Classic UI and Pocket UI

The pixel on the world UI was not fill in by the UI Tab shown. This was not here before the new UI tab came out.
The (Red) Arrow is the side where it not finish.
The (White) Arrow is where the UI on the (X) Cancel button is already fill in.

This was fix on:
Amazon
Android
IOS

This bug is on:
Windows10 - Not sure
Windows11
All Screenshot are below after reading this.