Fix UT Decoder

Two fixes to UT decoder:

1. Suppress UT clusters with 0 ADC charges.
2. Use integer to calculate LHCbID instead of float to avoid inconsistent result due to floating point rounding.

Related MR: Equivalent Allen MR for LHCbID fix (Allen suppresses 0 ADC charge correctly): Allen!1607 (merged)

CaloFuture/CaloFutureDAQ/src/CaloFutureRawToDigits.cpp

@@ -15,6 +15,7 @@
 #include "Event/RawBank.h"
 #include "Event/RawBankReadoutStatus.h"
 #include "Gaudi/Accumulators.h"
+#include "Kernel/STLExtensions.h"
 #include "LHCbAlgs/Transformer.h"
 #include "boost/container/small_vector.hpp"
 #include <Gaudi/Accumulators/Histogram.h>
@@ -75,13 +76,13 @@ namespace {
   }
 
   template <typename T, auto N>
-  constexpr auto pop( gsl::span<T, N>& v, bool isLittleEndian = true ) {
+  constexpr auto pop( LHCb::span<T, N>& v, bool isLittleEndian = true ) {
     auto first = v[0];
     v          = v.template subspan<1>();
     return isLittleEndian ? first : __builtin_bswap32( first );
   }
   template <typename T, auto N>
-  constexpr void advance( gsl::span<T, N>& v, int s ) {
+  constexpr void advance( LHCb::span<T, N>& v, int s ) {
     v = v.subspan( s );
   }