Don't trigger dynamic stats recalculation when setting up actor initial stats (Fixes #1927)

This caused the magicka value set in the CS to be ignored completely, so flame atronachs were spawning with 50 magicka instead of 105.

apps/openmw/mwclass/creature.cpp

@@ -129,6 +129,8 @@ namespace MWClass
 
             data->mCreatureStats.setGoldPool(ref->mBase->mData.mGold);
 
+            data->mCreatureStats.setNeedRecalcDynamicStats(false);
+
             // store
             ptr.getRefData().setCustomData(data.release());
 

apps/openmw/mwclass/npc.cpp

@@ -388,6 +388,8 @@ namespace MWClass
 
             data->mNpcStats.setGoldPool(gold);
 
+            data->mNpcStats.setNeedRecalcDynamicStats(false);
+
             // store
             ptr.getRefData().setCustomData (data.release());
 

apps/openmw/mwmechanics/creaturestats.cpp

@@ -378,6 +378,11 @@ namespace MWMechanics
          return false;
     }
 
+    void CreatureStats::setNeedRecalcDynamicStats(bool val)
+    {
+        mRecalcDynamicStats = val;
+    }
+
     void CreatureStats::setKnockedDown(bool value)
     {
         mKnockdown = value;

apps/openmw/mwmechanics/creaturestats.hpp

@@ -92,6 +92,7 @@ namespace MWMechanics
         void setAttackStrength(float value);
 
         bool needToRecalcDynamicStats();
+        void setNeedRecalcDynamicStats(bool val);
 
         void addToFallHeight(float height);