refactor: update delete functionality in UrgentTestDialog and improve styles

- Changed the delete button action from confirmDelete to deletePersistentNotification in UrgentTestDialog.vue.
- Renamed confirmDelete method to executeDelete for clarity and updated its usage.
- Updated SCSS import from @import to @use for glow styles in index.scss.
- Added vueDevTools plugin to vite.config.mjs for enhanced development experience.

vite.config.mjs

@@ -12,12 +12,14 @@ import { VitePWA } from 'vite-plugin-pwa'
 // Utilities
 import { defineConfig } from 'vite'
 import { fileURLToPath, URL } from 'node:url'
+import vueDevTools from 'vite-plugin-vue-devtools'
 
 // https://vitejs.dev/config/
 export default defineConfig({
   base: './',
   plugins: [
     VueRouter(),
+    vueDevTools(),
     Layouts(),
     Vue({
       template: { transformAssetUrls }