Link Previews not respecting Block Scripts shield setting on iOS

Description of the issue:
When all shields are set to “Block”, link previews are still running javascript. I have not checked whether other shields are being respected.

How can this issue be reproduced?

  1. Set all shields to “on”. (Not sure if it matters, but I also use private-browsing-only mode.)
  2. Go to a page that links to a site that requires JS to load an asset, e.g. the imgur link in the highlighted comment here: https://www.reddit.com/r/electricians/comments/9u9h1m/liquid_water_spilled_on_surge_protector_can_it_be/e93bpux/
  3. Hover over the link (e.g. https://imgur.com/hwCWHMW )

Expected result:
The image on the page is loaded via JS, which should not be running when the Block Scripts shield is on. Loading the page directly in a tab shows an empty space where the image goes.

Brave Version( check About Brave):
Version 1.14.3 (20.02.01.06)

Mobile Device details
iOS 13.3.1 on iPhone X

Additional Information: