[MM-16751] golint model (#17896)

app/websocket_router.go

@@ -37,7 +37,7 @@ func (wr *WebSocketRouter) ServeWebSocket(conn *WebConn, r *model.WebSocketReque
 		return
 	}
 
-	if r.Action == model.WEBSOCKET_AUTHENTICATION_CHALLENGE {
+	if r.Action == model.WebsocketAuthenticationChallenge {
 		if conn.GetSessionToken() != "" {
 			return
 		}
@@ -66,7 +66,7 @@ func (wr *WebSocketRouter) ServeWebSocket(conn *WebConn, r *model.WebSocketReque
 			wr.app.UpdateLastActivityAtIfNeeded(*session)
 		})
 
-		resp := model.NewWebSocketResponse(model.STATUS_OK, r.Seq, nil)
+		resp := model.NewWebSocketResponse(model.StatusOk, r.Seq, nil)
 		hub := wr.app.GetHubForUserId(conn.UserId)
 		if hub == nil {
 			return