Fix vite config to generated relative paths.

[JonasGilg]

Description

Fix vite not generating relative paths.

Checklis

I, the reviewer checked the following things:

• [ ] I ran the software once and tried all new and related functionality to this PR
• [ ] I looked at all new and changed lines of code and commented on possible problems
• [ ] I read the added documentation and checked if it is understandable and clear
• [ ] I checked the added tests for completeness
• [ ] I checked the internationalized strings for spelling errors
• [ ] I checked the performance metrics for problems or unexplained degradation
• [ ] I checked that the changes are noted in the changelog