Images can no longer be clicked/tapped to view them in a larger size/gallery view

Bug description:
Prior to the most recent Flarum upgrade, it was possible to click images to view them in a larger size and/or in a gallery view. However, currently nothing happens when an image is clicked.

Here's an image for testing purposes:

Expected behavior:
How it used to work (ignore the inability to leave from the view, these are from an old bug report)