Bug 135497 Data Type is not correct when "Generate All" for Data item
Description: Create a sample datasource and dataset. Insert a data into layout, bind with the dataset.Click "Generate All" to get the Data Binding columns, but the displayed data type is not consistent with the actual one.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/tools/ReportCreationTool.java
|| IReportElementConstants.AUTOTEXT_CREATEDON.equalsIgnoreCase( template )
				|| IReportElementConstants.AUTOTEXT_CREATEDBY.equalsIgnoreCase( template )
				|| IReportElementConstants.AUTOTEXT_FILENAME.equalsIgnoreCase( template )
				|| IReportElementConstants.AUTOTEXT_LASTPRINTED.equalsIgnoreCase( template )
				|| IReportElementConstants.AUTOTEXT_PAGEXOFY.equalsIgnoreCase( template ) )
		{
			type = ReportDesignConstants.TEXT_ITEM;
		}
		else if ( IReportElementConstants.AUTOTEXT_AUTHOR_PAGE_DATE.equalsIgnoreCase( template )
				|| IReportElementConstants.AUTOTEXT_CONFIDENTIAL_PAGE.equalsIgnoreCase( template )
				|| IReportElementConstants.REPORT_ELEMENT_GRID.equalsIgnoreCase( template ) )
		{
			type = ReportDesignConstants.GRID_ITEM;
		}
		else if ( IReportElementConstants.REPORT_ELEMENT_LABEL.equalsIgnoreCase( template ) )
		{
			type = ReportDesignConstants.LABEL_ITEM;
		}
		else if ( IReportElementConstants.REPORT_ELEMENT_DATA.equalsIgnoreCase( template ) )
		{
			type = ReportDesignConstants.DATA_ITEM;
		}
		else if ( IReportElementConstants.REPORT_ELEMENT_LIST.equalsIgnoreCase( template ) )
		{
			type = ReportDesignConstants.LIST_ITEM;
		}
		else
		{
			if ( template.startsWith( IReportElementConstants.REPORT_ELEMENT_EXTENDED ) )
			{