Fix force new on region disk for interface ENUM (#4799)
Fix force new on region disk for interface ENUM (#4799)

* Fix force new on region disk for interface ENUM

* default if empty

* make same change to google_compute_disk
GoogleCloudPlatform/magic-modules,GoogleCloudPlatform/magic-modules,GoogleCloudPlatform/magic-modules,GoogleCloudPlatform/magic-modules,GoogleCloudPlatform/magic-modules