Added properties editor in the sheet editor. This sets all Node ID properties. It also sets the the default font for Node IDs.
Right click on an individual Node ID to hide it.
If you have multiple Node IDs selected they will all be hidden. To multiple select, hold down the Shift key while you click on each in turn.
You can also set a Node IDs property using the Properties Panel. This will set the properties of all selected Node IDs.