chore: add game suffix to material dumping code

src/ObjWriting/Game/IW5/Material/MaterialConstantZoneStateIW5.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#include "Material/AbstractMaterialConstantZoneState.h"
+
+#include <string>
+
+namespace IW5
+{
+    class MaterialConstantZoneState final : public AbstractMaterialConstantZoneStateDx9
+    {
+    protected:
+        void ExtractNamesFromZoneInternal() override;
+        void AddStaticKnownNames() override;
+        unsigned HashString(const std::string& str) override;
+    };
+} // namespace IW5