Steps to reproduce:

1. Create 2 users: Admin with Administer permissions and User with Job/Configure permission
2. Login as Admin
3. Create new Kubernetes Cloud: Manage Jenkins -> Clouds -> New Cloud. Enable Restrict pipeline support to authorized folders
4. Create a Folder, select Cloud from step 3 in the Kubernetes property.
5. Logout and Login as User
6. Select Folder-> Configure
7. In Kubernetes property see – none – (it's expected for the User). Click save.
8.  Logout and Login as Admin, Select Folder-> Configure

Expected: Cloud from step 3 is selected

Actual: No cloud is selected, the Cloud was deselected by User when he saves the empty form.