private void notifySelectionChanged(EventTrigger trigger) {
		FieldSelection currentSelection = new FieldSelection(selection);
		for (FieldSelectionListener l : selectionListeners) {
			l.selectionChanged(currentSelection, trigger);
		}
		if (accessibleFieldPanel != null) {
			accessibleFieldPanel.selectionChanged(currentSelection, trigger);
		}

	}
Notifies all listeners that the selection changed.
Ghidra/Framework/Docking/src/main/java/docking/widgets/fieldpanel/FieldPanel.java