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 performInsertDataSet( (DataSetHandle) insertObj );
		}
		else if ( insertObj instanceof ResultSetColumnHandle )
		{
			return performInsertDataSetColumn( (ResultSetColumnHandle) insertObj,
					target,
					targetParent );
		}
		else if ( insertObj instanceof ScalarParameterHandle )
		{
			return performInsertParameter( (ScalarParameterHandle) insertObj );
		}
		else if ( insertObj instanceof String )
		{
			
			return performInsertString( (String) insertObj, target );
		}
		else if ( insertObj instanceof Object[] )
		{
			return performMultiInsert( (Object[]) insertObj,
					target,
					targetParent );
		}
		else if ( insertObj instanceof IStructuredSelection )
		{
			return performMultiInsert( ( (IStructuredSelection) insertObj ).toArray( ),
					target,
					targetParent );
		}