fix(PullDownRefresh): 修复配置scroll-into-view不生效问题 (#3633)

* fix: 修复配置scroll-into-view不生效问题

#2387

* fix: 修复pull-down-refresh单测报错

---------

Co-authored-by: jarmywang <awangjianjun9@gmail.com>

Author: Boomkaa

src/pull-down-refresh/pull-down-refresh.ts

@@ -1,7 +1,8 @@
-import { SuperComponent, wxComponent, RelationsOptions } from '../common/src/index';
+import { RelationsOptions, SuperComponent, wxComponent } from '../common/src/index';
 import config from '../common/config';
 import props from './props';
-import { unitConvert, systemInfo, getRect } from '../common/utils';
+import { getRect, systemInfo, unitConvert } from '../common/utils';
+import { canUseProxyScrollView } from '../common/version';
 
 const { prefix } = config;
 const name = `${prefix}-pull-down-refresh`;
@@ -26,6 +27,8 @@ export default class PullDownRefresh extends SuperComponent {
 
   externalClasses = [`${prefix}-class`, `${prefix}-class-loading`, `${prefix}-class-text`, `${prefix}-class-indicator`];
 
+  behaviors = canUseProxyScrollView() ? ['wx://proxy-scroll-view'] : [];
+
   options = {
     multipleSlots: true,
     pureDataPattern: /^_/,