public DockingActionIf getAction(String actionName) {
		Collection<List<ToolBarItemManager>> values = groupToItemsMap.values();
		for (List<ToolBarItemManager> list : values) {
			for (ToolBarItemManager manager : list) {
				DockingActionIf action = manager.getAction();
				if (actionName.equals(action.getName())) {
					return action;
				}
			}
		}
		return null;
	}
Manages the actions to be displayed in the toolbar.  Organizes them by group.
Ghidra/Framework/Docking/src/main/java/docking/menu/ToolBarManager.java