fix the problem of error at download the screenshot picture when there are some pics in messages history

[tomridder]

之所以报错是因为 消息记录中的图片不属于私域中的图片 ，需要在toPNG之前 用一个后台接口转换为私域的图片地址，然后toPNG则不会报错可以正常下载 #3553

下面是 修复后的功能截图

[H0llyW00dzZ]

lgtm, sadly I can't cherry pick commit this branch because bug still not fixed yet

[tomridder]

lgtm

i think it is solved ... you can add gpt-4v model and test it ...it is solved ...
these pic tells everythong

[tomridder]

it we don't add the transferimg api and there's the pics in the chat history , toPNG method will go some error because the pic don't belong to this domain .

that's why we need to add the transferimg api

[H0llyW00dzZ]

it we don't add the transferimg api and there's the pics in the chat history , toPNG method will go some error because the pic don't belong to this domain .

that's why we need to add the transferimg api

yeah because of cors issue, been known it

[H0llyW00dzZ]

I cherry pick pr this to my fork
https://hackerchat.btz.sh/#/changelog

[vercel]

@tomridder is attempting to deploy a commit to the NextChat Team on Vercel.

A member of the Team first needs to authorize it.

[github-actions]

Your build has completed!

Preview deployment

[Dean-YZG]

thanks a lot for your works, it's a good way to solve cross-domain problems, but it would lead to a ssrf