Users with ROLE_ENABLED should be allowed to enable a source created by someone in a group they are also an approver for

Scenario:

1. User A has the role: ROLE_ENABLED.

2. User A belongs to group XXX.

3. Group XXX are approvers for group ZZZ metadata sources.

4. User C belongs to group ZZZ.

5. Login as User C and create a metadata source.

6. Login as User A and go to the Action Required tab.

7. Click on the metadata source created in step 5.

8. Click the Approve button. 

Issue: The Approve button changes to Unapprove and the Enable button appears.

9. Click the Enable button. 

NOTE: The following message is displayed and the metadata source is NOT enabled:
 
403: You do not have the permissions necessary to change the enable status of this entity descriptor.
Per JJ: Users with ROLE_ENABLE should be allowed to enable a source created by someone in a group they are also an approver for.