fix(接口测试): 修复接口批量移动，选择的接口数量错误的缺陷

--bug=1037508 --user=王孝刚 【接口测试】接口定义-API列表中批量选中所有页-移动-弹框信息 已选接口数量错误
https://www.tapd.cn/55049933/s/1484597

frontend/src/views/api-test/management/components/management/api/apiTable.vue

@@ -282,13 +282,13 @@
           class="one-line-text ml-[4px] max-w-[70%] text-[var(--color-text-4)]"
           :title="
             isBatchMove
-              ? t('apiTestManagement.batchModalSubTitle', { count: tableSelected.length })
+              ? t('apiTestManagement.batchModalSubTitle', { count: batchParams.currentSelectCount })
               : `(${activeApi?.name})`
           "
         >
           {{
             isBatchMove
-              ? t('apiTestManagement.batchModalSubTitle', { count: tableSelected.length })
+              ? t('apiTestManagement.batchModalSubTitle', { count: batchParams.currentSelectCount })
               : `(${activeApi?.name})`
           }}
         </div>