#1476 Add id and tstamp at BE sorting (state: open)

Add id and tstamp at BE sorting

This is currently not possible, as only attributes and their IDs are used - but it is possible to add your own sortings via the BuildDataDefinitionEvent

see https://github.com/MetaModels/core/blob/37e3bd3335d7290944d3ae7bcd32d7749d629a5c/src/CoreBundle/EventListener/DcGeneral/DefinitionBuilder/Contao2BackendViewDefinitionBuilder.php#L200