Permission is lost visually when re-focusing on user

### Current Behavior

When selecting a permission for a user, closing the specific user edit page and then reopening it, the permission is not displayed.

### Steps to Reproduce

1. Navigate to Administration -> Access Management -> Managed Users
2. Click (+) on the Permissions list
3. Select a permission on the first page of the table and confirm
4. Close the expanded edit user view
5. Open it again
6. Observe the selection to be lost

_Step 4 + 5_

### Expected Behavior

The permission(s) should be displayed

### Hyades Version

0.6.0-SNAPSHOT

### Repository Type

Hyades frontend

### Browser

N/A

### Checklist

- [x] I have read and understand the [contributing guidelines](https://github.com/DependencyTrack/hyades/blob/master/CONTRIBUTING.md#filing-issues)
- [x] I have checked the [existing issues](https://github.com/DependencyTrack/hyades/issues) for whether this defect was already reported