Core/Entities: nopch build fix

(cherry picked from commit 58839b7c18f4d0662ee407887ec1323040420d5a)

Author: mdX7

src/server/game/Entities/Creature/Creature.h

@@ -201,7 +201,7 @@ class TC_GAME_API Creature : public Unit, public GridObject<Creature>, public Ma
         bool HasStringId(std::string_view id) const;
         void SetScriptStringId(std::string id);
         std::array<std::string_view, 3> const& GetStringIds() const { return m_stringIds; }
-        std::string_view const& GetStringId(StringIdType type) const { return m_stringIds[AsUnderlyingType(type)]; }
+        std::string_view GetStringId(StringIdType type) const { return m_stringIds[size_t(type)]; }
 
         // override WorldObject function for proper name localization
         std::string const& GetNameForLocaleIdx(LocaleConstant locale_idx) const override;

src/server/game/Entities/GameObject/GameObject.h

@@ -277,7 +277,7 @@ class TC_GAME_API GameObject : public WorldObject, public GridObject<GameObject>
         bool HasStringId(std::string_view id) const;
         void SetScriptStringId(std::string id);
         std::array<std::string_view, 3> const& GetStringIds() const { return m_stringIds; }
-        std::string_view const& GetStringId(StringIdType type) const { return m_stringIds[AsUnderlyingType(type)]; }
+        std::string_view GetStringId(StringIdType type) const { return m_stringIds[size_t(type)]; }
 
         void SetDisplayId(uint32 displayid);
         uint32 GetDisplayId() const { return GetUInt32Value(GAMEOBJECT_DISPLAYID); }