New parameters are available at level Visit Pass with Guide, operator could add some default margin before and after a visit group.
Once defined margins for visit pass, when selling this Visit pass, the margins are filled by default, operator could modify it if needed.
And the guide who is assigned to this visit group, will be display in yellow as "Not available due to margin restriction" for the next visit group within the margin.
However, operator could any time assign this guide to the Visit group if needed.
