audio/mousai: update to v0.7.8
Changelog: https://github.com/SeaDve/Mousai/releases/tag/v0.7.8
Major changes:
- Lyrics are now on its own view
- Navigation page titles are now more consistent
- Song bar now adapts to narrow mode
- Updated translations
Also reorder and reformat Makefile to make portclippy
and portfmt happy.