Bug 146771 [Regression]Preferences-Element Names-OdaDataSet, can not take effect
[Regression]Preferences-Element Names-OdaDataSet, can not take effect Steps: 1.Open Windows - reference - Element Names 2.Set the named of OdaDataSet as "odads" 3.New a report design and a odadatasource 4.New dataset apply this datasource Actual Results: 1.Data set default name is Data Set Expected Results: 1.The name of dataset that created is odads
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/ReportPlugin.java
{
		IWorkspace workspace = ResourcesPlugin.getWorkspace( );
		try
		{
			workspace.getRoot( )
					.setPersistentProperty( new QualifiedName( "org.eclipse.birt.property", 
							"showCheatSheet" ), 
							String.valueOf( value ) );
		}
		catch ( CoreException e )
		{
			e.printStackTrace( );
		}
	}
	/**
	 * Returns the workspace instance.
	 */
	public static IWorkspace getWorkspace( )
	{
		return ResourcesPlugin.getWorkspace( );
	}
	/**
	 * Set default element names for preference
	 * 
	 * @param store
	 *            The preference for store
	 */
	private void setDefaultElementNamePreference( IPreferenceStore store )
	{
		List tmpList;