@Override
	public void fireTableDataChanged() {

		updatingSelection(() -> {
			super.fireTableDataChanged(); // This causes the table selection to go away.
			selectionChanged(); // This sets the selection back.
		});
	}
Returns whether the selected component(s) can be moved down (to the next higher index).
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/compositeeditor/CompEditorModel.java