The current sidebar selection handed to an ExtraPanel's title / render: the selected Node or Edge, an array for a multi-selection, or null when nothing is selected. Same shape as PropertiesPanel.render.
title
render
Node
Edge
null
The current sidebar selection handed to an ExtraPanel's
title/render: the selectedNodeorEdge, an array for a multi-selection, ornullwhen nothing is selected. Same shape as PropertiesPanel.render.