Steps to reproduce:
1. Create new Unity project
2. Import provided “NewMonoBehaviourScript.cs” script to the project
3. Wait for project to load and Tools appear in the Scene view
4. Try collapsing Tools by pressing on a Pen icon in the Scene view
5. Observe the Tools in the Scene view

Actual results: pressing on Pen icon in Tools menu, the menu doesn’t collapse or expand after importing script to the project

Expected results: pressing on Pen icon in Tools menu, the menu collapses and expands after importing scrip to the project

Reproducible with versions: 6000.3.0a6
Can’t test with versions: 6000.3.0a5 (no such functionality available)

Tested on (OS): Windows 11, macOS Silicon, Sequoia 15.6.1 (M1)

Notes:

•  opening script in Rider, tools become responsive