void addAction(DockingActionIf action) {
		if (actions.contains(action)) {
			throw new RuntimeException("Duplicate action added");
		}
		actions.add(action);
		if (comp != null) {
			comp.actionAdded(action);
		}
	}
Adds an action to this component
@param action the action to be added.
Ghidra/Framework/Docking/src/main/java/docking/ComponentPlaceholder.java