notification icon is incorrect when having no notifications
|Assigned To:||Liza Gilman|
|Found in release:||nightly||Pull request:||https://github.com/theforeman/foreman/pull/4228|
|Velocity based estimate||-|
the notification icon is always fa-bell instead of fa-bell-o.
this is caused because of an incorrect return value from the store when there are no notifications.