fix(admin): 用户列补全「昵称 / UID / 设备」标签与冒号

两行都以「字段名：值」呈现，避免只看到一串随机字母。

src/views/components/AppUserCell.vue

@@ -21,14 +21,14 @@ const isGuest = computed(() => props.row?.userId == null)
     <template v-if="isGuest">
       <el-tag type="info" size="small">游客</el-tag>
       <span class="app-user-uid app-user-device" :title="row.deviceId || ''">
-        设备 {{ row.deviceId || '—' }}
+        设备：{{ row.deviceId || '—' }}
       </span>
     </template>
     <template v-else>
       <span class="app-user-name" :title="row.nickname || ''">
-        {{ row.nickname || '未设置昵称' }}
+        昵称：{{ row.nickname || '未设置昵称' }}
       </span>
-      <span class="app-user-uid">UID {{ row.uid || `#${row.userId}` }}</span>
+      <span class="app-user-uid">UID：{{ row.uid || `#${row.userId}` }}</span>
     </template>
   </div>
 </template>