CLOUDSTACK-4266: UI > zone wizard > cluster step > make Nexus 1000v fields optional.
CLOUDSTACK-4266: UI > zone wizard > cluster step > make Nexus 1000v fields optional.

mufaddalq/cloudstack-datera-driver,mufaddalq/cloudstack-datera-driver,mufaddalq/cloudstack-datera-driver,mufaddalq/cloudstack-datera-driver,mufaddalq/cloudstack-datera-driver,mufaddalq/cloudstack-datera-driver