public void addActionState(ActionState<T> actionState) {
		actionStates.add(actionState);
		if (actionStates.size() == 1) {
			setCurrentActionState(actionState);
		}
	}
Add the supplied {@code ActionState}.

@param actionState the {@code ActionState} to add
Ghidra/Framework/Docking/src/main/java/docking/menu/MultiStateDockingAction.java