fix(采购计划管理): 将用户ID参数改为多选ID拼接字符串

src/views/bpm/handleTask/components/purchasePlanManage/submit.vue

@@ -274,7 +274,8 @@
           id: this.taskId,
           reason: this.form.reason,
           variables: {
-            userId: this.form.userId,
+            // userId: this.form.userId,
+            userId: this.selectId.join(','),
             pass: !!status
           }
         });