Whether customSearchForms has a key matching the given name (case-insensitive). Used to hide the default Sales/Lettings tab when a custom form of the same name already provides it, so it isn't rendered twice.
Whether customSearchForms has a key matching the given name (case-insensitive). Used to hide the default Sales/Lettings tab when a custom form of the same name already provides it, so it isn't rendered twice.