Handle Missing Parent in deleteAction

[cancan101]

Similar issue to #800

This line can return null:

admin-ui-classic-bundle/src/Controller/Admin/Asset/AssetController.php

Line 671 in 2013cc6

$parentAsset = Asset::getById((int) $request->get('id'));

leading to error here:

admin-ui-classic-bundle/src/Controller/Admin/Asset/AssetController.php

Line 674 in 2013cc6

$list->setCondition('`path` LIKE ?', [Helper::escapeLike($parentAsset->getRealFullPath()) . '/%']);

Call to a member function getRealFullPath() on null

I assume this is coming from a race when deleting / renaming folders.

[github-actions]

Thanks a lot for reporting the issue. We did not consider the issue as "Pimcore:Priority", "Pimcore:ToDo" or "Pimcore:Backlog", so we're not going to work on that anytime soon. Please create a pull request to fix the issue if this is a bug report. We'll then review it as quickly as possible. If you're interested in contributing a feature, please contact us first here before creating a pull request. We'll then decide whether we'd accept it or not. Thanks for your understanding.