Add the conversion of TrackerHitPlane from EDM4hep to LCIO

[tmadlener]

BEGINRELEASENOTES

• Add conversion of TrackerHitPlane from EDM4hep to LCIO.
  • NOTE: The covariance matrix is not set, because there is no public setter available to do so in LCIO.

ENDRELEASENOTES

[tmadlener]

@Zehvogel I suppose you never stumbled over this? It is a bit curious that this was missing entirely until now.

[Zehvogel]

I only ever touched TrackerHitPlanes in the lcio world when they were created by the digitiser in the same steering file