GameObjects: Resolve operator ambiguity

[ZenoArrows]

This resolves a build error when trying to Add/Insert entries into TESNPC::morphRegionData or TESNPC::morphSetData:

f4se\f4se\GameTypes.h(1012): error C2666: 'TESNPC::MorphSetData::operator ==': overloaded functions have similar conversions
  f4se\f4se\GameObjects.h(175): note: could be 'bool TESNPC::MorphSetData::operator ==(const UInt32) const'
  f4se\f4se\GameObjects.h(175): note: or 'bool TESNPC::MorphSetData::operator ==(const UInt32) const' [synthesized expression 'y == x']
  f4se\f4se\GameTypes.h(1012): note: or       'built-in C++ operator==(UInt32, UInt32)'
  f4se\f4se\GameTypes.h(1012): note: while trying to match the argument list '(Item, Item)'
          with
          [
              Item=TESNPC::MorphSetData
          ]
  f4se\f4se\GameTypes.h(1012): note: the template instantiation context (the oldest one first) is
  f4ee\CharGenInterface.cpp(131): note: see reference to class template instantiation 'tHashSet<TESNPC::MorphSetData,UInt32>' being compiled
  f4se\f4se\GameTypes.h(988): note: while compiling class template member function 'tHashSet<TESNPC::MorphSetData,UInt32>::InsertResult tHashSet<TESNPC::MorphSetData,UInt32>::Insert(Item *)'
          with
          [
              Item=TESNPC::MorphSetData
          ]
  f4se\f4se\GameTypes.h(1163): note: see the first reference to 'tHashSet<TESNPC::MorphSetData,UInt32>::Insert' in 'tHashSet<TESNPC::MorphSetData,UInt32>::Add'