fix(hrm): 修复流程数据空值时的渲染异常

针对印章详情和流程详情页面，在缺少流程实例ID时提前返回，避免调用接口产生无效请求和脏数据

ruoyi-ui/src/views/hrm/components/BizDetailContainer/index.vue

@@ -295,6 +295,10 @@ export default {
       }
     },
     async loadComment () {
+      if (!this.flowInstance || !this.flowInstance.instId) {
+        this.commentList = []
+        return
+      }
       try {
         const res = await listFlowComment({ instId: this.flowInstance.instId })
         this.commentList = res.rows
@@ -352,6 +356,10 @@ export default {
       }
     },
     async loadAssignTask () {
+      if (!this.detail.instId) {
+        this.assignTasks = []
+        return
+      }
       try {
         const res = await listAssignTask(this.detail.instId)
         this.assignTasks = res?.data || []