Bug 210496 Add hasStyle property in reportItemModel extension point
When chart gets reportItem's properties by extending ReportItem, style properties are null. Hence, model needs to add hasStyle property in reportItemModel extension point
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/metadata/PeerExtensionLoader.java
style.setProperty( propName, value );
					if ( !hasLocalValues )
						hasLocalValues = true;
				}
				catch ( PropertyValueException e )
				{
					
					handleError( e.getLocalizedMessage( ) );
				}
			}
			if ( hasLocalValues )
				dd.addExtensionFactoryStyle( style );
		}
		/**
		 * Add overrideproperty property to element definition.
		 * 
		 * @param elementTag
		 *            the element tag
		 * @param elementDefn
		 *            element definition
		 */
		void loadOverrideProperty( IConfigurationElement elementTag,
				PeerExtensionElementDefn elementDefn )
		{
			
			String name = elementTag.getAttribute( PROPERTY_NAME_ATTRIB );
			if ( !checkRequiredAttribute( PROPERTY_NAME_ATTRIB, name ) )
				return;
			String units = elementTag.getAttribute( ALLOWEDCHOICES_ATTRIB );
			boolean useOwnModel = getBooleanAttrib( elementTag,