Tab Overview thumbnails sometimes have top or bottom padding

Steps to reproduce the issue:

1. Trigger Tab Overview on a page
2. There's a chance that the tab thumbnail has top or bottom padidng filled with grey space

Expected behaviour:

1. Trigger Tab Overview on a page
2. The tab thumbnail is correctly displayed without top nor bottom padding

Orion Version 0.99.128.1-beta, macOS Sonoma 14.5

Sonoma (14)