Fix Bug #999: 修复手术申请详情弹窗中 recursionFun 函数 children 为空时 TypeError

手术申请详情查看时，若科室组织数据中某节点无 children 字段（为 null/undefined），
遍历访问 subObjArray.length 会抛出 TypeError 导致详情弹窗崩溃。
添加 null 守卫 `if (!subObjArray) continue;` 优雅跳过无子节点的项。

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

openhis-ui-vue3/src/views/inpatientDoctor/home/components/applicationShow/surgeryApplication.vue

@@ -195,8 +195,9 @@ const recursionFun = (targetDepartment) => {
       name = obj.name;
     }
     const subObjArray = obj['children'];
-    for (let index = 0; index < subObjArray.length; index++) {
+    if (!subObjArray) continue;
-      const item = subObjArray[index];
+    for (let i = 0; i < subObjArray.length; i++) {
+      const item = subObjArray[i];
       if (item.id == targetDepartment) {
         name = item.name;
       }