Incorrect position of the connection point when a balloon tries to fit to available area.

[a-vzhik]

Normally when a balloon docks horizontally connector's vertical coordinate is a vertical center of the FlowAround area:

Сorrespondingly when a balloon docks vertically connector's horizontal coordinate is a horizontal center of the FlowAround area;

But when a balloon tries to fit itself in the available area, connector's vertical/horizontal coordinate is set to the to edge of the FlowAround area (I suppose not the whole area is used, but only TopLeft point of the FlowAround area)