message: fix(modal): lower isModalNavigation flag when closing modal
diff: @@ -328,6 +328,8 @@ export class NSLocationStrategy extends LocationStrategy {
  if (!this._isModalClosing) {
  throw new Error("Calling startCloseModal while not closing modal.");
  }
  +
  + this._isModalNavigation = false;
  this._isModalClosing = false;
  }
  