Bug 151541 Can't find the embedded image name in Edit Image Item dialog that from library
Details: Can't find the embedded image name in Edit Image Item dialog that from library Step: 1.New a library and insert an embedded image named img1. 2.New a report design and use the library. 3.Drop the img1 from library explorer into layout, and the Edit Image Item dialog pop up. Actual result: In Embedden image selection, nothing image name is list in embedded image list area. And the button of OK is gray. Exception reuslt: Can it show the embedded image from library in list area? I can click cancel to submit the image is insert in report design, but click ok will be more friendly.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ImageBuilder.java
ExpressionBuilder expressionBuilder = new ExpressionBuilder( uriEditor.getText( ) );
		
		
		
		
		unionDataSets( );
		ExpressionProvider provider = new ExpressionProvider( inputImage );
		expressionBuilder.setExpressionProvier( provider );
		
		if ( expressionBuilder.open( ) == OK )
		{
			uriEditor.setText( expressionBuilder.getResult( ) );
		}
	}
	private void openBidingDialog( )
	{
		CommandStack stack = SessionHandleAdapter.getInstance( )
				.getCommandStack( );
		ReportItemHandle handle = (ReportItemHandle) inputImage;
		stack.startTrans( Messages.getString( "DesignerActionBarContributor.menu.element.editDataBinding" ) ); 
		DataBindingDialog dialog = new DataBindingDialog( PlatformUI.getWorkbench( )
				.getDisplay( )
				.getActiveShell( ),
				handle );
		if ( dialog.open( ) == Dialog.OK )
		{
			stack.commit( );
		}
		else
		{