I’ve seen a similar post from '17, but the response given there doesn’t really answer the question.
I have nested checklist, some parent entries have tags. I want to filter the tree, so that only entries with a tag will be visible (and their descendants). Filtering by tag does exactly that, but with all matched entries collapsed. If I collapse / expand an entry, the filter for that entry is reset. So if I want to see all filtered nodes with their child nodes, I have to manually expand every one.
Here I do not want #fields to be visible: