Merge pull request #3531 from mansam/filter-networks-for-floating-ips

Apply RBAC filtering to cloud networks when creating floating ips
(cherry picked from commit 4773d1f)

Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1553787

app/controllers/floating_ip_controller.rb

@@ -152,7 +152,7 @@ def floating_ip_form_fields
   def networks_by_ems
     assert_privileges("floating_ip_new")
     networks = []
-    available_networks = CloudNetwork.where(:ems_id => params[:id], :external_facing => true).find_each
+    available_networks = Rbac::Filterer.filtered(CloudNetwork.where(:ems_id => params[:id], :external_facing => true))
     available_networks.each do |network|
       networks << { 'name' => network.name, 'id' => network.id }
     end