generate-load-scripts case sensitivity #2547

Description

generate-load-scripts has problems with casing. This doesn't really affect Windows or macOS since they don't care, but this really affects anything linux related.

paket exits with the error

Paket failed with
-> DirectoryNotFoundException: Could not find a part of the path "/app/packages/tests/Foq/lib/net45/Foq.dll".

Repro steps

https://github.com/TheAngryByrd/generate-load-scripts-casing-repro

Expected behavior

paket generates load scripts with correct casing in filepaths

Actual behavior

paket does not generate load scripts with correct casing in filepaths

Known workarounds

Use an insane OS like Windows or macOS