menu refactor + web account switcher (#7307)

* add account switcher, migrate context menus to overflow menu system, update version filter controls, only pad instance icons

* app account switcher, improve some context menus, theme stuff

* prepr

* handle reauthentication

* fix a couple sign in issues, admin page cleanup, fix org status badges, fix official account badge, open in local keybind, publish plus icons

* rename generic menus to ButtonMenu (& types)

* fix hydration issue w/ dropdowns + middleware error

apps/frontend/src/pages/settings/index.vue

@@ -287,6 +287,9 @@ provideAppearanceSettings({
 		current: computed(() => current.value.theme),
 		options: themeOptions,
 		system: systemTheme,
+		preferredDark: computed(() =>
+			isDarkTheme(current.value.theme) ? current.value.theme : theme.preferences.dark,
+		),
 		set: setTheme,
 		syncAcrossDevices: {
 			value: computed(() => current.value.syncAcrossDevices),