Steps to reproduce:

1. Create a new Unity project using the Universal 3D template
2. Create a new GameObject (GameObject > 3D Object > Cube)
3. Select the newly created GameObject in the Hierarchy window
4. Open the Animation window (Window > Animation > Animation)
5. Create a new animation in the Animation window
6. Open the Animator window (Window > Animation > Animator)
7. Create a new Layer or Parameter
8. Rename the new Layer or Parameter and constantly copy and paste a long string into the text box
9. Observe the Editor

Actual results: The Editor hangs

Expected results: The Editor does not hang or there is a a character limit

Reproducible with versions: 2022.3.66f1, 6000.0.57f1, 6000.1.16f1, 6000.2.4f1, 6000.3.0b1

Tested on (OS): macOS SIlicon Sequoia 15.6

Notes:

• Before the Editor hangs, if you try to delete a Layer or a Parameter with a long name, the deletion popup is so long that the popup buttons are not visible
• The Editor does not un-freeze ever, has to be Force Quit