Converters do not work with IOSvc

[tmadlener]

The converters still partially refer to the PodioDataSvc explicitly and will fail with a segmentation violation when used with the IOSvc.

[tmadlener]

This probably needs a bit more work, because currently the PodioDataSvc is pretty ingrained in some places, and for some things I am not sure if they will work with the IOSvc.

The LcioEventAlgo currently puts an LCEventWrapper into the eventSvc

k4MarlinWrapper/k4MarlinWrapper/src/components/LcioEventAlgo.cpp

Lines 67 to 68 in 3165e40

	auto myEvWr = new LCEventWrapper(std::move(theEvent));
	const StatusCode sc = eventSvc()->registerObject("/Event/LCEvent", myEvWr);

Does this still work with the IOSvc? @jmcarcell IIUC, this should still work, but the LCEvent will not be available for our functional algorithms, right?

For the converters it should be possible to put in place checks that check the IOSvc, resp. MetadataSvc and the PodioDataSvc.