Added preference_changed web socket event

api/web_team_hub.go

@@ -95,9 +95,11 @@ func ShouldSendEvent(webCon *WebConn, msg *model.Message) bool {
 			return false
 		}
 	} else {
-		// Don't share a user's view events with other users
+		// Don't share a user's view or preference events with other users
 		if msg.Action == model.ACTION_CHANNEL_VIEWED {
 			return false
+		} else if msg.Action == model.ACTION_PREFERENCE_CHANGED {
+			return false
 		}
 
 		// Only report events to a user who is the subject of the event, or is in the channel of the event