refactor(frontend): vars have to be declared now

lib/Ravada/Domain.pm

@@ -3006,7 +3006,7 @@ sub exposed_port($self, $search, $value=undef) {
         if ( $search =~ /^\d+$/ ) {
             return $port if $port->{internal_port} eq $search;
         } else {
-            return $port if $port->{name} eq $search;
+            return $port if defined $port->{name} && $port->{name} eq $search;
         }
     }
     return;

public/js/ravada.js

@@ -563,7 +563,7 @@
                       })
               ).then(function(response) {
                   // if there are many , we pick the last one
-                  id_request = response.data.request;
+                  var id_request = response.data.request;
                   subscribe_request(id_request, function(data) {
                     $scope.$apply(function () {
                         $scope.copy_request=data;