Bug - featured image - not showing on page

[SophieAmnesty]

Describe the bug
I've only noticed this on staging not production so maybe it's not a thing!?

To Reproduce
Steps to reproduce the behavior:

1. start a new post
2. add a featured image
3. publish
4. view - see no featured image

Expected behaviour
we should see the featured image at the top of the post on the front end.

Actual behaviour
no featured image to be seen!

Link to a page where the bug is reproduced in isolation (optional)
https://isaidotorgstg.wpengine.com/en/latest/news/2024/11/featured-image-test/

Screenshots

Platform:
https://www.whatsmybrowser.org/b/UILZ7

Additional context
it does show in the thumbnail on the post list page:

[SophieAmnesty]

this is fixed - the template was changed in the site editor