Improve UI for group status
Currently, the UI for companies shows the following for company-approved groups:
![image](data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==)
This leads to quite a few emails from companies wondering how they should be inviting a supervisor. Given that the course does not allow clients to assign supervisors, the text in the picture should reflect this.