Packaging fixes, attempt #2

[K900]

Please tick as appropriate:

• [x] I have tested this code on a steam deck or on a PC
• [x] My changes generate no new errors/warnings
• [x] This is a bugfix/hotfix
• [ ] This is a new feature

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Description

Things got desynced somewhere during the very long life of the async branch, so the Python module install didn't work properly. Now it does again.

[AAGaming00]

we're discussing this on the discord side currently, don't merge yet

mainly just potential other fixes to the structure issue

[AAGaming00]

Going to manually merge this one.