Settings refactor and redesign (#1669)

* new settings work

* Polishing work on settings refactor

* Run intl:extract

* List view -> Rows view

* Remove current preferred system theme indicator to make the themes fit on one line

* Remove extra margin on top of navstack

composables/cosmetics.js

@@ -17,6 +17,7 @@ export const useCosmetics = () =>
         developerMode: false,
         notUsingBlockers: false,
         hideModrinthAppPromos: false,
+        preferredDarkTheme: 'dark',
         searchDisplayMode: {
           mod: 'list',
           plugin: 'list',