@Override
	public void statusChanged(String message, boolean beep) {
		if ((message == null) || (message.length() == 0)) {
			message = " ";
		}
		setStatus(message);
		if (beep) {
			getToolkit().beep();
		}
	}
CompositeEditorModelListener method called to handle lock/unlock or
structure modification state change.
This could also get called by a structure load or unload.

@param type the type of state change: COMPOSITE_MODIFIED, COMPOSITE_UNMODIFIED,
COMPOSITE_LOADED, NO_COMPOSITE_LOADED.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/compositeeditor/CompositeEditorPanel.java