private JDialog createDialog(String title, DockingFrame frame) {
		JDialog dialog = new JDialog(frame, true);
		dialog.setTitle(title);
		dialog.setGlassPane(new GGlassPane());
		return dialog;
	}
Constructs a new root node for the given DockingWindowsManager.

@param mgr the DockingWindowsManager
@param toolName the name of the tool to be displayed in all the top-level windows.
@param images the frame icons
@param isModal true if modal
@param factory a factory for creating drop targets for this nodes windows; may be null
Ghidra/Framework/Docking/src/main/java/docking/RootNode.java