a-image-preview-group previewPrefixCls undefined Image preview component style undefined

[cjSound]

• I have searched the issues of this repository and believe that this is not a duplicate.

Version

2.2.0-beta.3

Environment

vue：3.1.1

Reproduction link

Steps to reproduce

图片预览 class丢失了prefixCls前缀，全为undefined

What is expected?

class显示完整 样式展示正确

What is actually happening?

• 节点class 前缀全为undefined
• 查看源码 vue3.1.1版本 a-image-preview-group 组件 props.previewPrefixCls 默认 为 undefined，并且props属性对configProvider的属性进行覆盖，导致后续样式全部失效

// a-image-preview-group组件
var getPrefixCls = configProvider.getPrefixCls;
      var prefixCls = getPrefixCls('image-preview', props.previewPrefixCls);
      return (0, _vue.createVNode)(_PreviewGroup.default, _objectSpread({
        "previewPrefixCls": prefixCls
      }, _extends(_extends({}, attrs), props)), slots);

• image 该属性正常，写法上存在差异，此处写法是默认configProvider 覆盖了props属性

// image组件
setup: function setup(props, ctx) {
    var slots = ctx.slots,
        attrs = ctx.attrs;
    var configProvider = (0, _vue.inject)('configProvider', _configProvider.defaultConfigProvider);
    return function () {
      var getPrefixCls = configProvider.getPrefixCls;
      var prefixCls = getPrefixCls('image', props.prefixCls);
      return (0, _vue.createVNode)(_vcImage.default, _extends(_extends(_extends({}, attrs), props), {
        prefixCls: prefixCls
      }), slots);
    };
  }

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