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/components/ui/Instance.vue

@@ -179,6 +179,7 @@ onMounted(() => {
 				:src="getInstanceIconUrl(instance.icon_path)"
 				:tint-by="instance.id"
 				:alt="formatMessage(messages.instanceIcon)"
+				pad-transparent-corners
 			/>
 			<div class="h-full flex items-center font-bold text-contrast leading-normal">
 				<span class="line-clamp-2">{{ instance.name }}</span>
@@ -244,6 +245,7 @@ onMounted(() => {
 					:tint-by="instance.id"
 					:alt="formatMessage(messages.instanceIcon)"
 					:class="`transition-all ${modLoading || installing ? `brightness-[0.25] scale-[0.85]` : `group-hover:brightness-75`}`"
+					pad-transparent-corners
 				/>
 				<div class="absolute inset-0 flex items-center justify-center">
 					<IconButton