fix(user-center): complete certification and order flows

Fix modal scroll ownership and certification modal styling, store evidence as Media Library attachments, reconcile missed provider callbacks, validate currencies, and complete digital fulfillment only after durable entitlement delivery.

assets/admin/src/pages/users/components/VerifyReviewDrawer.vue

@@ -22,9 +22,9 @@
               <n-descriptions-item label="身份简介">{{ detail.request.application?.desc || '-' }}</n-descriptions-item>
               <n-descriptions-item label="申请说明">{{ detail.request.application?.msg || '-' }}</n-descriptions-item>
             </n-descriptions>
-            <div v-if="detail.request.application?.img?.length" class="aksrt-verify-drawer__proofs">
-              <a v-for="image in detail.request.application.img" :key="image" :href="image" target="_blank" rel="noopener noreferrer">
-                <img :src="image" alt="认证证明材料" />
+            <div v-if="detail.request.application?.evidence?.length" class="aksrt-verify-drawer__proofs">
+              <a v-for="item in detail.request.application.evidence" :key="item.id" :href="item.url" target="_blank" rel="noopener noreferrer">
+                <img :src="item.thumbnail_url || item.url" alt="认证证明材料" />
               </a>
             </div>
           </div>