Work around bu in template form plugin in wg < 7.9.8

lib/WebGUI/Mailing.pm

@@ -442,9 +442,11 @@ sub www_edit {
         $properties->{ value        } = $configuration->{ $name } if exists $properties->{ value };
 
         my $formField   = WebGUI::Form::DynamicField->new( $session, %{ $properties } );
+	my $element	= $formField->toHtml;		# Works around a bug in WG::Form::Template in < 7.9.8
+	my $readonly	= $formField->getValueAsHtml;	# where getValueAsHtml wouldn't set the correct options hashref
         my $html        = $self->admin->canOverride
-                        ? $formField->toHtml
-                        : $formField->getValueAsHtml
+                        ? $element
+                        : $readonly
                         ;
 
         $f->readOnly(