Also, in this mode, when the taskbar is not docked, you can enlarge it by pulling the top edge. At the end of the configuration, do not forget to return the checkbox “Dock the taskbar”
Thus, you can add as many dashboards as you like for different groups.
If you have a low screen resolution, laptop, then you can leave the small icons of the additional panel and make the same icons on the main panel. Then more shortcuts will fit and there will be no need to increase the size of the taskbar.