feat: introduce dependency injection framework (#4091)

* feat: migrate frontend notifications to dependency injection based notificaton manager

* fix: lint

* fix: issues

* fix: compile error + notif binding issue

* refactor: move org context to new DI setup

* feat: migrate app notifications to DI + frontend styling

* fix: sidebar issues

* fix: dont use delete in computed

* fix: import and prop issue

* refactor: move handleError to main notification manager class

* fix: lint & build

* fix: merge issues

* fix: lint issues

* fix: lint issues

---------

Signed-off-by: IMB11 <hendersoncal117@gmail.com>
Signed-off-by: Cal H. <hendersoncal117@gmail.com>

apps/frontend/src/components/ui/servers/ServerSubdomainLabel.vue

@@ -20,8 +20,11 @@
 
 <script setup lang="ts">
 import { LinkIcon } from "@modrinth/assets";
+import { injectNotificationManager } from "@modrinth/ui";
 import { useStorage } from "@vueuse/core";
 
+const { addNotification } = injectNotificationManager();
+
 const props = defineProps<{
   subdomain: string;
   noSeparator?: boolean;
@@ -30,7 +33,6 @@ const props = defineProps<{
 const copySubdomain = () => {
   navigator.clipboard.writeText(props.subdomain + ".modrinth.gg");
   addNotification({
-    group: "servers",
     title: "Custom URL copied",
     text: "Your server's URL has been copied to your clipboard.",
     type: "success",