fix: image previews on links without thumbnails
fix: image previews on links without thumbnails

Fixes https://github.com/lbryio/lbry-desktop/issues/3723

lbryio/lbry-electron,lbryio/lbry-electron,lbryio/lbry-app,lbryio/lbry-electron,lbryio/lbry-app