Description of problem:
Customer has a user which they would like to not be able to download *anything* - ISO / errata / packages. They normally set via User --> <username> --> channel permissions --> subscription --> update permissions. However this tab is not available - the only tabs available are details and preferences.
In addition, "Globally Subscribable: All users in your organization may subscribe to this channel." option is missing on channel details page.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. See internal comments for details.
Unable to set global-subscribability and user access to channel via web UI due to missing tabs and checkbox.
Able to set global-subscribability and user access to channel via web UI.