Bug 154001 In library, Insert In Layout will not display table in library Layout
Description: In library, Insert In Layout will not display table in library Layout Steps to reproduce: 1. New a library file 2. New data source and dataset 3. Select the dataset, right click and click Insert In Layout Expected result: A table appears in Layout Actual result: Nothing changed in Layout but the table is inserted in Outline.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/views/actions/InsertInLayoutAction.java
* 
	 * @param selectedObject
	 */
	public InsertInLayoutAction( Object selectedObject )
	{
		this( selectedObject, DISPLAY_TEXT );
	}
	/**
	 *  
	 */
	public InsertInLayoutAction( Object selectedObject, String text )
	{
		super( selectedObject, text );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see isEnabled()
	 */
	public boolean isEnabled( )
	{
		return isTypeAvailable( )
				&& getTargetEditPart( ) != null
				&& InsertInLayoutUtil.handleValidateInsertToLayout( getSelection( ),
						getTargetEditPart( ) );
	}
	/**
	 * Returns if the selection is the type which can be inserted to layout
	 */
	public boolean isTypeAvailable( )