>>3020461nta but when it says "catbox' in the filename (and sometimes even when it doesn't) you can right click the download button to see metadata. This requires the 4chanX userscript linked in the OP.
There's probably some way to extract a catbox link out of the filename manually, but I could never figure it out. Then you would download the image off catbox so that it still has metadata, and drag it into your UI.