Shortcuts: User gets "Profile already exists" validation during default profile creation workflow

Steps to reproduce:

1. Create a project
2. Go to the menu "Unity" -> "Shortcuts"
3. Verify, that the "Shortcuts" window opens
4. In the profile drop-down menu select "Create New Profile"
5. Repeat the same action several times

Expected result: During the second profile creation proposed default name should be "New profile (1)"

Actual Result: The user gets the same default name "New profile" with the validation below, that such a profile already exists. Added screenshot in the "Attachments" section. 

 

Reproducible with: 2023.2.0a15, 2023.1.0b15, 2023.1.0b16, 2022.2.19f1, 2021.3.25f1.

Not reproducible with: 2023.1.0b14.

 

Additional info: Label section in Editor Fundamentals Internal