Why can icons be loaded in a different encoding?

Question

WordPress

Sometimes it happens that in the navigation of my account and in the error messages, the icons are loaded in a different encoding.

I don’t know what to do with this, the topic is undercover. For my account, I pulled the layout from another theme - storefront. Checked on the storefront theme. The same problem occurs.
In the inspector it looks like this

Answer 1

https://stackoverflow.com/questions/55760740/unico...