Two-finger pinch gesture shows a weird animation in Grid tab list mode

Steps to reproduce:

1. Select Grid tabs mode
2. Pinch on any of tabs to trigger the animation

Expected behavior:
Tab's normal zoom out animation

Orion, OS version; hardware type:
App version: 1.1.6 (8) (WebKit 8612.2.9.0.20)
System version: 15.1.0
Device type: iPhone 11
Native bounds: (828.0, 1792.0)
Scale: 2.0

Image/Video: