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#1
Hey, I've got the same problem. I've tried resetting icon cache as it didn't seem to help at all. I've also noticed that if you manually change icon to anything else than the default icon, it changes correctly (even if it's the same icon, just taken from different file).
Any help appreciated ^^
I had this issue with folders in one of the Insider builds (can't remember which one) and never found a solution. Only updating to the next build cured it.