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
reportItem.setProperty( prop.getName( ), value );
		}
		else
		{
			setExtensionPropertyValue( prop.getName( ), value );
		}
	}
	/**
	 * Sets the value of the given property, which is extension property.
	 * 
	 * @param propName
	 *            the name of the property
	 * @param value
	 *            the value to set
	 */
	private void setExtensionPropertyValue( String propName, Object value )
	{
		if ( value != null )
			extensionPropValues.put( propName, value );
		else
			extensionPropValues.remove( propName );
	}
	/**
	 * Initializes the extension element instance of <code>IReportItem</code>.
	 * 
	 * @param module
	 *            module
	 * @throws ExtendedElementException
	 *             if the extension is not found or it's failed to initialized
	 *             the extension element instance.