[Client] Assign summoned creatures' actorId correctly, skipping those already assigned

apps/openmw/mwmechanics/creaturestats.cpp

@@ -751,7 +751,7 @@ namespace MWMechanics
     {
         for (std::map<CreatureStats::SummonKey, int>::iterator it = mSummonedCreatures.begin(); it != mSummonedCreatures.end(); )
         {
-            if (Misc::StringUtils::ciEqual(getSummonedCreature(it->first.first), refId))
+            if (Misc::StringUtils::ciEqual(getSummonedCreature(it->first.first), refId) && it->second == -1)
             {
                 it->second = actorId;
                 break;

components/openmw-mp/Base/BasePacketProcessor.hpp

@@ -4,6 +4,7 @@
 #include <string>
 #include <memory>
 #include <unordered_map>
+#include <stdexcept>
 
 #define BPP_INIT(packet_id) packetID = packet_id; strPacketID = #packet_id; className = typeid(this).name(); avoidReading = false;