initialise phiBinner in device-to-host copy of TrackingRecHitsSoAColl…

…ection<TrackerTraits>

Fix to the device-to-host copy of TrackingRecHitsSoACollection<TrackerTraits>,
in order to initialise the phiBinner data member on the host side.

A more complete explanation of the issue is provided by @makortel in
cms-sw#45708 (comment)

DataFormats/TrackingRecHitSoA/interface/alpaka/TrackingRecHitsSoACollection.h

@@ -41,6 +41,16 @@ namespace cms::alpakatools {
       assert(deviceData.nHits() == hostData.nHits());
       assert(deviceData.offsetBPIX2() == hostData.offsetBPIX2());
 #endif
+      // Update the contents address of the phiBinner histo container after the copy from device happened
+      alpaka::wait(queue);
+      typename TrackingRecHitSoA<TrackerTraits>::PhiBinnerView pbv;
+      pbv.assoc = &(hostData.view().phiBinner());
+      pbv.offSize = -1;
+      pbv.offStorage = nullptr;
+      pbv.contentSize = hostData.nHits();
+      pbv.contentStorage = hostData.view().phiBinnerStorage();
+      hostData.view().phiBinner().initStorage(pbv);
+
       return hostData;
     }
   };