When scanning a zip archive duplicate images are being detected as renames rather than duplicates.
This is because in `scanJob.getFileFS` the size of the inner file (`my_archive.zip/001.png`) was being passed to `OpenZip` rather than the size of the zip archive (`my_archive.zip`), causing it to fail when opening the archive. This caused `handleRename` to incorrectly detect it as a rename.
The effects of that are:
- no info on duplicates in the file data
- the file will take the name/path of the final duplicate scanned rather than the first
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