Affected versions: 1.5.1

Steps to reproduce:

1. As admin set the flag in core settings: Settings -> Enterprise features -> "disable user's ability to manage their devices"
2. As admin select non-admin user's profile, "Add new device" -> "Remote Device Activation"
3. Using desktop client, select "Add instance", input instance url and token from previous step
4. Click "Add instance"

Expected result:
Device is created in the system, user can connect using desktop client.

Actual result:
Error message: "Failed to create device, only admin users can manage devices".