Bug 120317 Set "dimension" property to 3D in "properties" view, error appears in layout editor.
Description: Set "dimension" property to 3D in "properties" view, error appears in layout editor. Steps to reproduce: 1. Add a 2D chart in property editor. 2. Set its dimension property to "three-dimension" in properties view. 3. Error appears in chart.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/extension/PeerExtensibilityProvider.java
{
							raw = value.toString( ).getBytes(
									UnicodeUtil.SIGNATURE_UTF_8 );
						}
						catch ( UnsupportedEncodingException e )
						{
							assert false;
						}
						reportItem.deserialize( prop.getName( ),
								new ByteArrayInputStream( raw ) );
					}
					else
						reportItem.deserialize( prop.getName( ),
								new ByteArrayInputStream( null ) );
				}
				catch ( ExtendedElementException e )
				{
					assert false;
				}
			}
			else
			{
				setExtensionPropertyValue( prop.getName( ), value );
			}
		}
		else if ( isExtensionModelProperty( prop.getName( ) ) )
		{
			
			
			assert reportItem != null;