fix: Resolve Invalid index error on shared vpc destroy (#177)
fix: Resolve Invalid index error on shared vpc destroy (#177)

Checks that google_compute_shared_vpc_host_project.shared_vpc_host
is not empty before attempting to return the value. Avoids the error
"google_compute_shared_vpc_host_project.shared_vpc_host is empty tuple
The given key does not identify an element in this collection value."
terraform-google-modules/terraform-google-network,terraform-google-modules/terraform-google-network