Found interesting bug and added a bit of console debug logging:
When using drag tool and clicking on a model, then a selection frame is
made. If clicking on the same model again, the newly created selection
frame is sent the mouse pressed event, but since the popup menu is
canceled that same selected frame is removed, after which it is not sent
the mouse released event - actually the mouse released event is never
sent to any component; neither to the selection frame nor the production
panel.

Signed-off-by: Jakob Brandsborg Ehmsen <jakobehmsen.github@gmail.com>