Bug 136522 [Regression]DateTime parameter can't be drag to the layout
Steps to reproduce: 1.New a date time parameter 2.Drag it to the layout Actual result: A BIRT exception occurred. Plug-in Provider:Eclipse.org Plug-in Name:BIRT Model Plug-in ID:org.eclipse.birt.report.model Version:2.1.0.N20060412-2230 Error Code:Error.PropertyValueException.CHOICE_NOT_FOUND Error Message:The choice value "dateTime" is not found.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dnd/InsertInLayoutUtil.java
{
			return false;
		}
		if ( insertObj instanceof Object[] )
		{
			Object[] array = (Object[]) insertObj;
			if ( !checkSameDataSetInMultiColumns( array ) )
			{
				return false;
			}
			for ( int i = 0; i < array.length; i++ )
			{
				if ( !handleValidateInsertToLayout( array[i], targetPart ) )
				{
					return false;
				}
			}
			return true;
		}
		else if ( insertObj instanceof IStructuredSelection )
		{
			return handleValidateInsertToLayout( ( (IStructuredSelection) insertObj ).toArray( ),
					targetPart );
		}
		else if ( insertObj instanceof DataSetHandle )
		{
			if ( insertObj instanceof JointDataSetHandle )
				return isHandleValid( (DataSetHandle) insertObj )
						&& handleValidateDataSet( targetPart );
			else