get
Use this property to get the actual k5 Playground size in Floats. Subtracting the 56f - which is the toolbar height of the window. When the size of the window is set with size param in k5 builder, it's applied to window and when the canvas is rendered in the window with Modifier.fillMaxSize it takes whole window except the toolbar.
TODO: Fix the dimensions for a given k5 playground considering density