鸿蒙分享WEB页面，缩略图是用本地图片无法显示问题

鸿蒙分享web页面代码如下：
```let req: SendMessageToDD.Req | undefined = undefined;
let webpMessageObject = new DDWebPageMessage();

webpMessageObject.mUrl = "https://m.xxxx.com"
let webpMessage = new DDMediaMessage();
webpMessage.mMediaMessageObject = webpMessageObject;
webpMessage.mTitle = "标题"
webpMessage.mContent = "内容"
const thumbData = await getContext().resourceManager.getMediaContent($r("app.media.ic_ding_ding_share_thumb"))
const thumbPixel = image.createImageSource(thumbData.buffer).createPixelMapSync()
const thumbBuffer = await image.createImagePacker().packToData(thumbPixel, { format: "image/png", quality: 100 })
webpMessage.mThumbData = new Uint8Array(thumbBuffer)
req = new SendMessageToDD.Req();
req.mMediaMessage = webpMessage;
DingTalkShare.share(req, true)
```
分享到钉钉后图片无法显示，相同的图片分享到微信没有问题。

在吐槽一下，钉钉分享连个专属提问的地方都没有，真服了。