[MM-16751] golint model (#17896)

api4/websocket.go

@@ -25,8 +25,8 @@ func (api *API) InitWebSocket() {
 
 func connectWebSocket(c *Context, w http.ResponseWriter, r *http.Request) {
 	upgrader := websocket.Upgrader{
-		ReadBufferSize:  model.SOCKET_MAX_MESSAGE_SIZE_KB,
-		WriteBufferSize: model.SOCKET_MAX_MESSAGE_SIZE_KB,
+		ReadBufferSize:  model.SocketMaxMessageSizeKb,
+		WriteBufferSize: model.SocketMaxMessageSizeKb,
 		CheckOrigin:     c.App.OriginChecker(),
 	}