[KnifeLemon]

What does this change?

"One ZIP" and the other pack-into-one presets never passed on Mark of the Web, so an archive built from downloaded files came out unmarked. Converted files already keep the mark (RunFileAsync); RunCombinedAsync didn't. Now, if any packed file has a mark, the archive gets it.

• Companion files (a Shapefile's .shx, .dbf, ...) and the files inside a folder count as packed files.
• Links inside a folder are skipped (AttributesToSkip = FileAttributes.ReparsePoint, as in ArchiveExtractor.PassOnMark): the packer leaves them out, so what they point at isn't in the archive.
• With several different marks, the first one found is written.
• A folder that can't be read counts as unmarked and doesn't fail the pack. A drive without NTFS streams still gets no mark and doesn't fail.

Type of change

• Bug fix
• New feature or improvement
• New format or engine
• Translation
• Documentation
• Build, CI or dependencies

How was it tested?

• dotnet format --verify-no-changes (changed files)
• dotnet test: Filee.Core.Tests in full and ArchiveTests in Filee.Engines.Tests, on Windows
• Tried it in the app (what you converted or clicked, and on which OS):

New tests in JobQueueTests, next to An_output_converted_from_a_file_from_the_internet_keeps_its_mark_of_the_web, using FakeCombiner:

• An_archive_packed_from_a_file_from_the_internet_has_its_mark_of_the_web: fails without the fix. Covers a marked file that isn't first, a marked file deep in a folder, and no mark at all.
• A_link_in_a_folder_being_packed_gives_the_archive_no_mark_of_the_web: a junction to a marked file outside the folder. Fails when links are followed.

Checklist

• New UI strings are in all src/Filee.App/Assets/i18n/*.json files (none)
• New third-party code or binaries are listed in THIRD-PARTY-NOTICES.md (none)
• The PR does one thing (unrelated changes go in a separate PR)

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