Promote button is disabled for user with proper privileges

1. Open 'Staging Profiles' section
   1. Create Staging profile
   2. Create Build Promotion profile
2. Open 'User' section
3. Select 'deployment' user
4. Specify 'Role Management'
   1. Deployer and Promoter for your profiles.
5. Deploy some artifacts to the repository under deployment user.
6. Close repository. 
7. Login under 'deployment' user 
8. Try to promote repository

Expected: deployment user is able to promote the repo

Actual: Promote button is disabled and deployment user is not able to promote the repository.