[BUG] lastKnownFileType error

[matrxcrystal]

Describe the bug
Using the command
python3 -m pbxproj file test.xcodeproj ./test/CSTRtm.xcframework --target test --no-embed --tree "<group>" -w
the correct section was not generated.

46CA4EF5A69B6570B08705D9 /* CSTRtm.xcframework */ = {isa = PBXFileReference; lastKnownFileType = folder; name = CSTRtm.xcframework; path = ./test/CSTRtm.xcframework; sourceTree = "<group>"; };

From the generated result, it's clear that lastKnownFileType is incorrect; the correct value should be wrapper.xcframework.

System information

1. pbxproj version used: 4.2.1
2. python version used: Python 3.9.6
3. Xcode version used: Version 14.2 (14C18)

To Reproduce
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3. Scroll down to '....'
4. See error

Expected behavior
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Additional context
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