Fix ATLASRECTS-5174
Fix ATLASRECTS-5174.
- Declare and initialize ReadCondHandleKey of PixelDetectorElementCollection in SiTrackerSpacePointFinder.
- Configure PixelDistortionAlg in SiSPSeededTracksStandalone(FromESD).py
athena.py --threads=1 SiSPSeededTrackFinder/SiSPSeededTracksStandaloneFromESD.py
athena.py --threads=1 SiSPSeededTrackFinder/SiSPSeededTracksStandalone.py
were OK.