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/app-frontend/src/assets/stylesheets/global.scss

@@ -55,6 +55,10 @@
 	);
 }
 
+html.light-mode {
+	color-scheme: light;
+}
+
 body {
 	position: fixed;
 	width: 100%;