refactor: move profile settings into separate routes

[goga-m]

Summary

• Move profile settings forms into separate routes
• Split tests by settings form contexts (General, Export, Password)
• fix: show save confirmation prompt when changing tabs

Checklist

• My changes look good in both light AND dark mode
• The change is not hardcoded to a single network, but has multi-asset in mind
• I checked my changes for obvious issues, debug statements and commented code
• Documentation (if necessary)
• Tests (if necessary)
• Ready to be merged

[faustbrian]

Task linked: CU-n9f158 [Setting] Show profile save confirmation modal when changing tabs