To reproduce: 1) Add suggestion from OPAC 2) Go to manage the suggestion 3) Change status to accepted and give a reason from list of pending suggestions. - Accepted by will be left empty. It works correctly when you click on a suggestion and set the status to accepted.
Created attachment 3634 [details] [review] proposed patch
Created attachment 3636 [details] [review] Signed off patch
Pushed please test