Add support to disable both window resizing and minimizing.

| | macOS | Windows |
| - | - | - |
| **Unresizable** | <img width="412" height="440"
alt="SCR-20250822-qpea"
src="https://github.com/user-attachments/assets/d6d45510-dc4b-436f-a9fa-ce9cb0b0c411"
/> | <img width="276" height="298" alt="2025-08-22 110757"
src="https://github.com/user-attachments/assets/9deff498-e903-4173-9c26-072dd9409fc1"
/> |
| **Unminimizable** | <img width="412" height="440"
alt="SCR-20250822-qpfl"
src="https://github.com/user-attachments/assets/e1d5f9eb-6de5-4908-8b52-38ccb2e65689"
/> | <img width="276" height="298" alt="2025-08-22 110814"
src="https://github.com/user-attachments/assets/da94b006-3544-4274-8b02-1cab7ca8dd70"
/> |

Release Notes:

- N/A