Old meta questions are incorrectly marked as imported in the user profile
I just noticed that some of my old meta questions here are marked as imported on my profile page, although they clearly weren't (they were meta questions about this site; there's no reason why I would have asked about it on SE).
Here's a screenshot showing an example:
When hovering the mouse over the marked symbol, the tooltip says
Note that in the post there is no such indication, and also the history correctly does not show any evidence of it being imported, so the problem might only affect the list in the user profile.