APIv4: NewLocAppError -> NewAppError (#7328)

api4/websocket.go

@@ -31,7 +31,7 @@ func connectWebSocket(c *Context, w http.ResponseWriter, r *http.Request) {
 	ws, err := upgrader.Upgrade(w, r, nil)
 	if err != nil {
 		l4g.Error(utils.T("api.web_socket.connect.error"), err)
-		c.Err = model.NewLocAppError("connect", "api.web_socket.connect.upgrade.app_error", nil, "")
+		c.Err = model.NewAppError("connect", "api.web_socket.connect.upgrade.app_error", nil, "", http.StatusInternalServerError)
 		return
 	}