* fix: bookmark filter include marked-directory's children
* fix(perf): add path_type to filter functions
* fix: replace undefined type
* fix: correct Node.fs_stat type
* fix: file info popup check fs_stat not nil
* refactor: add stat to should_filter, Node constructor
* perf: early return if bookmark is empty
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Co-authored-by: Alexander Courtis <alex@courtis.org>
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