Review error logging (#10897)

This change lowers the levels of a few log messages in an attempt
to bring them more in line with the severity of the actual message.

app/web_conn.go

@@ -200,9 +200,9 @@ func (c *WebConn) writePump() {
 
 				if len(c.Send) >= SEND_DEADLOCK_WARN {
 					if evtOk {
-						mlog.Error(fmt.Sprintf("websocket.full: message userId=%v type=%v channelId=%v size=%v", c.UserId, msg.EventType(), evt.Broadcast.ChannelId, len(msg.ToJson())))
+						mlog.Warn(fmt.Sprintf("websocket.full: message userId=%v type=%v channelId=%v size=%v", c.UserId, msg.EventType(), evt.Broadcast.ChannelId, len(msg.ToJson())))
 					} else {
-						mlog.Error(fmt.Sprintf("websocket.full: message userId=%v type=%v size=%v", c.UserId, msg.EventType(), len(msg.ToJson())))
+						mlog.Warn(fmt.Sprintf("websocket.full: message userId=%v type=%v size=%v", c.UserId, msg.EventType(), len(msg.ToJson())))
 					}
 				}