[Client] Prevent errors from NPC-only packets for DedicatedPlayers

apps/openmw/mwmp/DedicatedPlayer.cpp

@@ -276,6 +276,9 @@ void DedicatedPlayer::setAnimFlags()
 
 void DedicatedPlayer::setEquipment()
 {
+    // Go no further if the player is disguised as a creature
+    if (!ptr.getClass().hasInventoryStore(ptr)) return;
+
     MWWorld::InventoryStore& invStore = ptr.getClass().getInventoryStore(ptr);
     for (int slot = 0; slot < MWWorld::InventoryStore::Slots; ++slot)
     {

apps/openmw/mwmp/processors/player/ProcessorPlayerSkill.hpp

@@ -30,6 +30,10 @@ namespace mwmp
             else if (player != 0)
             {
                 MWWorld::Ptr ptrPlayer = static_cast<DedicatedPlayer *>(player)->getPtr();
+
+                // Go no further if the player is disguised as a creature
+                if (ptrPlayer.getTypeName() != typeid(ESM::NPC).name()) return;
+
                 MWMechanics::NpcStats *ptrNpcStats = &ptrPlayer.getClass().getNpcStats(ptrPlayer);
                 MWMechanics::SkillValue skillValue;