To avoid errors later on, we should make assigned to required (if custom user is picked) and also make comment required (otherwise an error could pop up when sending a notification about the task).
coverage: 93.394% (-0.09%) from 93.483% when pulling 3388c7b2aedaf43df539f71ad0659d1968839028 on make-assigned_to-and-comment-required into bdb3eba760d541daadb87db95de0c35651d86d93 on master.
To avoid errors later on, we should make assigned to required (if custom user is picked) and also make comment required (otherwise an error could pop up when sending a notification about the task).