`_winapi.CreateJunction` does not restore privilege levels

[zooba]

Creating a junction requires enabling the SE_RESTORE_NAME privilege, which may cause changes in behaviour elsewhere in the process. We should restore it after creating the junction.

Linked PRs

• gh-114096: Restore privileges in _winapi.CreateJunction #114089
• [3.12] gh-114096: Restore privileges in _winapi.CreateJunction after creating the junction (GH-114089) #114134
• [3.11] gh-114096: Restore privileges in _winapi.CreateJunction after creating the junction (GH-114089) #114135

[zooba]

Fixed once the backports land