Bug 142430 Available data set should be invisible for dynamic image
Steps to reproduce: 1.New a sample data source and data set with table "PRODUCTLINES" 2.Add a dynamic image, binding with data set 3.Click "Expression Builder" Expected result: Available data set is not listed in Category to avoid user choose it Actual result: Available data set is listed in Category but we didn't support such expression like dataSetRow["image"]
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ImageBuilder.java
}
		else
		{
			uri.setSelection( true );
			switchTo( URI_TYPE );
		}
		return true;
	}
	private void initURIEditor( )
	{
		String uri = ""; 
		if ( DesignChoiceConstants.IMAGE_REF_TYPE_URL.equals( inputImage.getSource( ) ) )
		{
			if ( inputImage.getURI( ) != null && selectedType == URI_TYPE )
			{
				uri = inputImage.getURI( );
			}
		}
		else if ( DesignChoiceConstants.IMAGE_REF_TYPE_FILE.equals( inputImage.getSource( ) ) )
		{
			if ( inputImage.getURI( ) != null && selectedType == FILE_TYPE )
			{
				uri = inputImage.getURI( );
			}
		}
		if ( DesignChoiceConstants.IMAGE_REF_TYPE_EXPR.equals( inputImage.getSource( ) )
				&& selectedType == BLOB_TYPE )
		{
			if ( inputImage.getValueExpression( ) != null )
			{