fix speedup trick to account for all types of cluster sorting

The algorithm skips some clusters as a method of speeding up the event loop. This fixes the logic on how the clusters are sorted so all reconstructions are covered.

Tr/TrackMonitors/src/VPHitEfficiencyMonitor.cpp

@@ -202,8 +202,8 @@ public:
         const int                   unwrapped_num = vphit.get<VPHitsTag::ChannelId>().cast();
         LHCb::Detector::VPChannelID vpChannel( unwrapped_num );
 
-        if ( unsigned( vpChannel.module() ) > unsigned( my_sensor.module() ) ) startPosition = i_hit;
-        if ( unsigned( vpChannel.module() ) < unsigned( my_sensor.module() ) ) endPosition = i_hit;
+        if ( unsigned( vpChannel.station() ) > unsigned( my_sensor.station() ) ) startPosition = i_hit;
+        if ( unsigned( vpChannel.station() ) < unsigned( my_sensor.station() ) ) endPosition = i_hit;
         if ( to_unsigned( vpChannel.sensor() ) != m_sensorUnderStudy ) continue;
 
         // get vp hit position