Core/Spells: rework part 3: spells only handle at most one UnitAura and one DynObjAura during its lifetime

# Conflicts:
#	src/server/game/Spells/Auras/SpellAuras.h

src/server/scripts/Commands/cs_misc.cpp

@@ -317,7 +317,12 @@ public:
         uint32 spellId = handler->extractSpellIdFromLink((char*)args);
 
         if (SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(spellId))
-            Aura::TryRefreshStackOrCreate(spellInfo, MAX_EFFECT_MASK, target, target);
+        {
+            AuraCreateInfo createInfo(spellInfo, MAX_EFFECT_MASK, target);
+            createInfo.SetCaster(target);
+
+            Aura::TryRefreshStackOrCreate(createInfo);
+        }
 
         return true;
     }