On Silicon Editor, moving a Timeline clip causes visual glitches. Tested on 2021.2.0a16 (Silicon build)

Reproduction Steps:
1 - Open any Unity project on an Apple Silicon machine (using the Silicon build of the Unity Editor)
2 - Create a new Timeline asset (Assets -> Create -> Timeline)
3 - Make sure the Timeline Window is visible and select the newly created Timeline asset
4 - Add a new Timeline track (ex: Activation track)
5 - Drag a clip on the track

Expected Result:

The clip should be moved without any obvious glitches.

Actual Result:

Visual glitches appear around the Timeline clip as it is moved (See attached video).