Import/Export card importing is broken

[IiTossiI]

Describe the bug
Importing files by using the import card is broken on client and on server

To Reproduce
Steps to reproduce the behavior:

1. Setup a computer with the export/import card
2. Try to import a file
3. See error:

Importing hellolua: import.lua:88 hello: I/O error
stack traceback:
    [C]: in function 'assert'
    import.lua:88: in main chunk
    [C]: in ?

Log files
https://gist.github.com/IiTossiI/8ca89a69fb4d28a87e8a4096170475ba

Expected behavior
File "hello" should appear in folder but nothing is there after the error

Screenshots
https://github.com/fnuecke/oc2/assets/94807008/3bf34227-3da2-47af-9b7f-813414f83a0d
Not a screenshot but a video instead

Versions (please complete the following information):

• Minecraft: 1.18.2
• Forge: 40.2.10
• OC2: 0.1.8

Additional context
Exporting works though

[CoolCat467]

This is a duplicate of #144