Add a center control point to spiral and rectangle
Ellipses and stars already have a control point to move and snap them dragging their center, add the functionality to spirals and rectangles too.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Ellipses and stars already have a control point to move and snap them dragging their center, add the functionality to spirals and rectangles too.