This happens to me on my home Xbox when my kids play games. I don't know if it's a bug, or because it goes through the parent account to verify some settings like permissions, which then flags your account as playing the game. I would suggest going to
this link providing feedback, or finding something similar in that section and up-voting it. I wish I could tell you a fix, but honestly I don't think there is one at this time.
MCP. MCDST. LVL 80
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