It looks like you might be using a custom admin theme. Do the icons show up correctly if you temporarily deactivate the plugin that provides this admin theme?
Also, did this icon problem show up only after activating Admin Menu Editor, or is it also present when this plugin is inactive?
Yes, I am using Material Admin Theme. If I use regular WP admin, without theme, then it looks fine.
I don’t understand why the icons would be off with an admin theme. Any ideas on how to fix it?
It really depends on the internal details of the admin theme. Are the misplaced icons the default icons for those menu items, or are they custom icons that you assigned using AME? If this problem is happening with the default icons, you might need to ask the author of Material Admin Theme about it. I don’t think I would be able to help you much since I’m not familiar with how this admin theme works.
Yeah, they are custom icons from the plugin developers.
I will reach out to the theme developer.