Dynamically added JSF converter ignored in some cases since Mojarra 2.1.16 upgrade

    <h:form>

        <ul>
            <ui:repeat value="#{basket.items}" var="i">
                <li>Item #{i.number}
                    <h:selectOneMenu value="#{i.color}">
                        <test:selectColors />
                    </h:selectOneMenu>
                </li>
            </ui:repeat>
        </ul>


        <div>
            <h:commandButton value="Add" action="#{basket.add}" />
        </div>

        <h:outputText value="#{basket.string}" />

        </h:form>

@JsfComponent(description=@Description(displayName="org.jboss.seam.test.SelectColors",value="Creates a List<SelectItem> of colors."),
family="javax.faces.SelectItems", type="org.jboss.seam.test.SelectColors",generate="org.jboss.seam.test.html.HtmlSelectColors", 
tag = @Tag(baseClass="javax.faces.webapp.UIComponentTagBase", name="selectColors"))
public class SelectColors extends javax.faces.component.UISelectItems implements SystemEventListener {

   public SelectColors() {
      FacesContext context = FacesContext.getCurrentInstance();
      UIViewRoot root = context.getViewRoot();

      root.subscribeToViewEvent( PreRenderViewEvent.class, this );
   }

   @Override
   public Object getValue() {
      List<SelectItem> ret = new LinkedList<SelectItem> ();

      ret.add(new SelectItem("default", "Select color... (black by default)"));
      ret.add(new SelectItem("red", "Red"));
      ret.add(new SelectItem("white", "White"));
      ret.add(new SelectItem("blue", "Blue"));
      ret.add(new SelectItem("black", "Black"));

      return ret;
   }

   private void addSelectionConverter() {
      UIComponent parentComponent = getParent();
      if (parentComponent instanceof ValueHolder) {
         ValueHolder parentValueHolder = (ValueHolder) parentComponent;

         Converter parentConverter = parentValueHolder.getConverter();

         if (parentConverter == null) {
            parentValueHolder.setConverter(new DefaultColorConverter());
         }
      }
   }

   @Override
   public void processEvent(SystemEvent event) throws AbortProcessingException
   {
      if ( !FacesContext.getCurrentInstance().isPostback() ) {
         addSelectionConverter();
      }
   }

   @Override
   public boolean isListenerForSource(Object source)
   {
      return ( source instanceof UIViewRoot );
   }
}

@FacesConverter(value="org.jboss.seam.test.DefaultColorConverter")
public class DefaultColorConverter implements Converter
{
   public static final String DEFAULT_COLOR = "black";

   public Object getAsObject(FacesContext context, UIComponent component, String value) throws ConverterException
   {
      if ("default".equals(value)) {
    	  return DEFAULT_COLOR;
      }
      
      return value;
   }

   public String getAsString(FacesContext context, UIComponent component, Object value) throws ConverterException
   {
      return value.toString();
   }
}