Steps to reproduce:
1) join a chat room
2) go outside of conpherence
3) click the chat icon on top left and check persistent chat
4) open a chat which will pop up on the bottom right of the screen
5) minimize the popup
6) click to the left next to the up arrow icon
7) you should see the context menu in the edge of the screen or when you bring it up
8) minimizing with the context menu open shows up on the bottom
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This is the evil spot that does nothing, if you click there when the chat is minimized:
{F2184778}