Steps to reproduce:

1. Open any Project
2. Create an Animator Controller Asset and open it
3. Right click in the Animator and choose Create State > From New Blend Tree
4. Double click the newly created Blend Tree Node
5. Make sure the Animator Window is docked somewhere else than the Game View Window
6. Enter Play Mode and observe the Blend Tree Node

Actual results: The Blend Tree Node is reduced in size when entering Play Mode, looks like an unwanted artifact

Expected results: No changes in the Blend Tree Node when entering Play Mode

Reproducible with versions: 6000.0.20f1, 6000.0.41f1, 6000.1.0b9, 6000.2.0a6

Not reproducible with versions: 2022.3.59f1, 6000.0.19f1

Tested on (OS): Windows 11