BoxUI : Fixed circular reference in NodeGraph plug menu.
BoxUI : Fixed circular reference in NodeGraph plug menu.

The NodeGraph held the menu which held the item which held the NodeGraph. We can use the menu passed to the item command to get at the ancestor window instead, and break the cycle.

chippey/gaffer,GafferHQ/gaffer,andrewkaufman/gaffer,GafferHQ/gaffer,appleseedhq/gaffer,goddardl/gaffer,GafferHQ/gaffer,lucienfostier/gaffer,andrewkaufman/gaffer,goddardl/gaffer,boberfly/gaffer,johnhaddon/gaffer,johnhaddon/gaffer,ImageEngine/gaffer,hradec/gaffer,ImageEngine/gaffer,chippey/gaffer,chippey/gaffer,hradec/gaffer,lucienfostier/gaffer,goddardl/gaffer,ivanimanishi/gaffer,ivanimanishi/gaffer,johnhaddon/gaffer,GafferHQ/gaffer,appleseedhq/gaffer,lucienfostier/gaffer,appleseedhq/gaffer,ImageEngine/gaffer,andrewkaufman/gaffer,johnhaddon/gaffer,ivanimanishi/gaffer,hradec/gaffer,hradec/gaffer,andrewkaufman/gaffer,andrewkaufman/gaffer,GafferHQ/gaffer,goddardl/gaffer,lucienfostier/gaffer,ImageEngine/gaffer,boberfly/gaffer,boberfly/gaffer,johnhaddon/gaffer,hradec/gaffer,appleseedhq/gaffer,chippey/gaffer,ivanimanishi/gaffer,boberfly/gaffer