message: Prevent a bogus warning message when registering a border widget.
diff: @@ -93,6 +93,7 @@ export class WindowProxy implements InternalWindow {
  for (const data of borderWidgetMeta) {
  if (data.name === name) {
  this._terminalBorderWidgetFactoryMap.set(name, factory);
  + return;
  }
  }
  