fix(tests): repair stale pagination/lazyload contracts and ban defaults script

- pay-pages-pagination asserts the $parent_file base URL added in b74381cf
- Drop native loading="lazy" from message avatars and medal presets per
  the lazyload contract
- verify-ban-settings-defaults requires SchemaUsersTicket and new deps

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

assets/admin/src/pages/users/partials/badge/MedalIconPicker.vue

@@ -12,7 +12,7 @@
         :title="`预设图标 ${i + 1}`"
         @click="emit('update:modelValue', src)"
       >
-        <img :src="src" :alt="`预设图标 ${i + 1}`" loading="lazy" />
+        <img :src="src" :alt="`预设图标 ${i + 1}`" />
       </button>
     </div>
     <AksMediaField