Chat widget doesn't clear when a user logs out while communicating with them

I was connected to our testing Mira Server on the Mira Workplace, where the only other Members online were Alan and Neeraj. I was talking to Neeraj in the Chat widget, and then he logged out. In the Contacts widget, the "neeraj" contact moved to the Offline group and the focus/selection switched to the remaining contact in the Online group, "alan".

As Alan became the selected contact after Neeraj logged out, I would have expected the Chat widget to switch to my conversation with Alan, but it didn't.
Alternatively, after Neeraj logged out, I would have expected the Chat widget to remain on my conversation with Neeraj (as it did) but for the focus in the Contacts widget to remain on Neeraj, even if he moved to the Offline group.

Either the focus should remain on the contact after they have gone offline, or the Chat widget should be updated to show the conversation of the other newly selected contact.