* Use dropzone to handle file uploading for all cases, including pasting
and dragging
* Merge duplicate code, use consistent behavior for link generating
Close#20130
---------
Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
Some images like MacOS screenshots contain
[pHYs](http://www.libpng.org/pub/png/book/chapter11.html#png.ch11.div.8)
data which we can use to downscale uploaded images so they render in the
same dppx ratio in which they were taken.
Before:
<img width="584" alt="image"
src="50979e3a-5d5a-40dc-a0a4-36eb6e28f14a">
After:
<img width="329" alt="image"
src="0690902a-f2fe-4c6b-97b3-6fdd67c21bad">