@Override
			public void componentResized(ComponentEvent e) {
				super.componentResized(e);
				arrowButtonRegion = createArrowRegion();
				repaint();
			}
A button that has a drop-down list of choosable {@link ButtonState}s. When a state is selected,
it changes the behavior of the action associated with the button. This code is based on code 
for the {@link MultipleActionDockingToolbarButton}.

@param <T> The type of the user data associated with the {@link ButtonState}s
Ghidra/Framework/Docking/src/main/java/docking/menu/MultiStateButton.java