hideLoading method

void hideLoading()

隐藏loading（带动画）

Implementation

void hideLoading() {
  if (_loadingCount > 0) {
    _loadingCount--;
  }
  if (_loadingCount > 0 || !_overlayManager.isLoadingShowing) return;

  final generation = ++_operationGeneration;
  final loadingKey = _currentLoadingKey;
  unawaited(_dismissLoading(generation, loadingKey));
}