title: in j2me lwuit,with theme the combobox drop down and other component will hide
body: <p>without theme combobox drop down correctly and other component show correctly. when using theme combobox drop down but other component will hide.</p>
  
  <pre><code>    Form f;
      TextField t4;
      ComboBox com1, com2, com3;
      Container c1, c2, c3, c4;
      Button add;
      Command back, save;
      Resources resources;
  
      public void startApp() {
          Display.init(this);
          try {
              resources = Resources.open("/nn.res");
              UIManager.getInstance().setThemeProps(resources.getTheme(resources.getThemeResourceNames()[0]));
          } catch (Exception e) {
          }
          f = new Form("Form");
          f.setLayout(new BoxLayout(BoxLayout.Y_AXIS));
  
          com1 = new ComboBox(new String[]{"123", "234", "345", "456"});
          com2 = new ComboBox(new String[]{"123", "234", "345", "456"});
          com3 = new ComboBox(new String[]{"123", "234", "345", "456"});
  
          t4 = new TextField(5);
          back = new Command("Back", 1);
          save = new Command("Save", 2);
  
          add = new Button("kjkk");
  
          c1 = new Container(new FlowLayout());
          c2 = new Container(new FlowLayout());
          c3 = new Container(new FlowLayout());
          c4 = new Container(new BorderLayout());
  
  
  
          c1.addComponent(new Label("Project Name:"));
          c1.addComponent(com3);
  
          c2.addComponent(new Label("Description:"));
          c2.addComponent(com1);
  
          c3.addComponent(new Label("Sub Category:"));
          c3.addComponent(com2);
  
          c4.addComponent(BorderLayout.WEST, new Label("Qty:"));
          c4.addComponent(BorderLayout.CENTER, t4);
          c4.addComponent(BorderLayout.EAST, add);
  
          f.addComponent(c1);
          f.addComponent(c2);
          f.addComponent(c3);
          f.addComponent(c4);
  
          f.addCommand(back);
          f.addCommand(save);
  
          f.show();
  
  
      }
  
      public void pauseApp() {
      }
  
      public void destroyApp(boolean unconditional) {
      }
  }
  </code></pre>