Disable close clean menu item when all are dirty (#31859)
This PR disables the "Close Clean" tab context menu action if all items
are dirty.
<img width="595" alt="SCR-20250601-kaev"
src="https://github.com/user-attachments/assets/add30762-b483-4701-9053-141d2dfe9b05"
/>
<img width="573" alt="SCR-20250601-kahl"
src="https://github.com/user-attachments/assets/24f260e4-01d6-48d6-a6f4-a13ae59c246e"
/>
Also did a bit more general refactoring.
Release Notes:
- N/A
d3bc561f26Joseph T. Lyons committed on 6/1/2025, 3:15:33 PM· committed by GitHubparentf13f2df