*Steps to reproduce:*
# Create a new 2D Unity Project
# Go to the "Unity Version Control" window
# Click "Need Unity VCS Enterprise?"
# Verify that the"Welcome to Unity VCS" modal becomes visible
# Leave it is opened
# Go to Unity -> Settings
# In the "General" section find "Editor Theme"
# Change it several times
# Observe the Console

*Actual results:* Video is added in the "Attachments" section. It displays an error:

NullReferenceException: Object reference not set to an instance of an object
Unity.PlasticSCM.Editor.ViewSwitcher.OnDisable () (at ./Library/PackageCache/com.unity.collab-proxy/Editor/ViewSwitcher.cs:205)
Unity.PlasticSCM.Editor.PlasticWindow.ClosePlastic (Unity.PlasticSCM.Editor.PlasticWindow window) (at ./Library/PackageCache/com.unity.collab-proxy/Editor/PlasticWindow.cs:1096)
Unity.PlasticSCM.Editor.PlasticWindow.OnDisable () (at ./Library/PackageCache/com.unity.collab-proxy/Editor/PlasticWindow.cs:283)

*Expected results:* No errors

*Reproducible with versions:* 2022.3.55f1, 6000.0.32f1, 6000.1.0a9

*Not reproducible with versions:* -

*Can’t test with versions:* -

*Tested on (OS):* Apple M1 Max, Sequoia 15.1.1