Patch DD4hep Geant4ParticleHandler to avoid memory issues

spack/packages/dd4hep/geant4_particle_handler.patch

+diff --git a/DDG4/src/Geant4ParticleHandler.cpp b/DDG4/src/Geant4ParticleHandler.cpp
+index 82a4b702..779dd044 100644
+--- a/DDG4/src/Geant4ParticleHandler.cpp
++++ b/DDG4/src/Geant4ParticleHandler.cpp
+@@ -436,11 +436,8 @@ void Geant4ParticleHandler::rebaseSimulatedTracks(int )   {
+   for(count = 0, iend=pm.end(), i=pm.begin(); i!=iend; ++i)  {
+     Particle* p = (*i).second;
+     orgParticles[p->id] = p->id;
+-    finalParticles[p->id] = p;
++    finalParticles[p->id] = p->addRef();
+     if ( p->id > count ) count = p->id;
+-    if ( (p->reason&G4PARTICLE_PRIMARY) != G4PARTICLE_PRIMARY )  {
+-      p->addRef();
+-    }
+   }
+   // (1.1) Define the new particle mapping for the simulated tracks
+   for(++count, iend=m_particleMap.end(), i=m_particleMap.begin(); i!=iend; ++i)  {
+@@ -448,7 +445,8 @@ void Geant4ParticleHandler::rebaseSimulatedTracks(int )   {
+     if ( (p->reason&G4PARTICLE_PRIMARY) != G4PARTICLE_PRIMARY )  {
+       //if ( orgParticles.find(p->id) == orgParticles.end() )  {
+       orgParticles[p->id] = count;
+-      finalParticles[count] = p;
++      finalParticles[count]->release();
++      finalParticles[count] = p->addRef();
+       p->id = count;
+       ++count;
+     }

spack/packages/dd4hep/package.py

@@ -53,6 +53,8 @@ class Dd4hep(CMakePackage):
 
     # hack to fix refcount underflow
     patch('refcount_underflow.patch', when='@1.17:')
+    patch('geant4_particle_handler.patch', when='@1.17:')
+    patch('pdg.patch', when='@1.17:')
     
     # custom hash for the 2021-07-27 version, needed to include
     # https://github.com/AIDASoft/DD4hep/pull/849

spack/packages/dd4hep/pdg.patch

+diff --git a/DDG4/python/DDSim/Helper/Physics.py b/DDG4/python/DDSim/Helper/Physics.py
+index 4ce65959..62eb05eb 100644
+--- a/DDG4/python/DDSim/Helper/Physics.py
++++ b/DDG4/python/DDSim/Helper/Physics.py
+@@ -17,7 +17,7 @@ class Physics(ConfigHelper):
+     self._list = "FTFP_BERT"
+     self._decays = False
+     self._pdgfile = None
+-    self._rejectPDGs = {1, 2, 3, 4, 5, 6, 21, 23, 24, 25}
++    self._rejectPDGs = {1, 2, 3, 4, 5, 6, 21, 23, 24, 25, 2101}
+     self._zeroTimePDGs = {11, 13, 15, 17}
+     self._userFunctions = []