Merge pull request #16824 from d-m-u/fixing_openstack_cloud_network_call

Fix call to get_targets_for_source to be correct scope name
(cherry picked from commit f5f9a83)

https://bugzilla.redhat.com/show_bug.cgi?id=1536509

app/models/manageiq/providers/cloud_manager/provision_workflow.rb

@@ -27,7 +27,7 @@ def allowed_cloud_subnets(_options = {})
 
   def allowed_cloud_networks(_options = {})
     return {} unless (src = provider_or_tenant_object)
-    targets = get_targets_for_source(src, :cloud_filter, CloudNetwork, 'cloud_networks')
+    targets = get_targets_for_source(src, :cloud_filter, CloudNetwork, 'all_cloud_networks')
     allowed_ci(:cloud_network, [:availability_zone], targets.map(&:id))
   end
 
@@ -95,7 +95,7 @@ def availability_zone_to_cloud_network(src)
         hash[cn.id] = cn.name
       end
     else
-      load_ar_obj(src[:ems]).cloud_subnets.collect(&:cloud_network).each_with_object({}) do |cn, hash|
+      load_ar_obj(src[:ems]).all_cloud_networks.each_with_object({}) do |cn, hash|
         hash[cn.id] = cn.name
       end
     end