Reload button in HTML IDE window strange behaviour

Problem description:
When we click the reload button beside our link, we expect to see it have a quick rotating animation, to indicate that it is reloading the site. Rarely, this animation occurs. Most of the time, though, it does not.

Expected behaviour:
The animation to occur every time we press the reload button

Actual behavior:
Animation rarely occurs.

Steps to reproduce:

Bug appears at this link:

Safari and Google Chrome / macOS Monterey 12.6.2 / MacBook Air 2017

Screen Shot 2023-01-09 at 9.20.53 AM