Bug-Fix: Variables set cant be unset

[jammsen]

Have you read the Important information text above

• Yes i did

Current behavior

When i set server password and want to make it public again, the old config isnt changed and i see nothing the console of the change.

Desired behavior

Working as intended

Links to screenshots

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To Reproduce

Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Software setup

• OS:
• Docker:

Hardware setup

• vCPU:
• RAM:
• Disk:

Additional context

No response