Merge branch '2.8.1.1_messaging_fixes' into '2.8.1.1-Development'

make sure email lists are actually lists

See merge request !1401

shared/workspaces/workspaces/notification/services/notification_service.py

@@ -71,7 +71,8 @@ class NotificationService(NotificationServiceIF):
         if isinstance(parameters["destination_email"], list):
             receiver_emails = parameters["destination_email"]
         else:
-            receiver_emails = [parameters["destination_email"]]
+            # sometimes the list gets passed in as a string, split it if needed
+            receiver_emails = parameters["destination_email"].split(",")
 
         # Let's not send emails into the void
         if not receiver_emails: