Merge pull request #15835 from ariel-/entry

Creature Addon should be updated when entry is changed.
(cherry picked from commit 52692c3f9d)

src/server/game/Entities/Creature/Creature.cpp

@@ -443,6 +443,7 @@ bool Creature::UpdateEntry(uint32 entry, CreatureData const* data /*= nullptr*/)
         ApplySpellImmune(0, IMMUNITY_EFFECT, SPELL_EFFECT_ATTACK_ME, true);
     }
 
+    LoadCreaturesAddon();
     UpdateMovementFlags();
     return true;
 }