fix: optimization: PVS-Studio warning V813

Passing large objects by const reference avoids unnecessary copying and enhances efficiency.

Reported by: PVS-Studio
Signed-off-by: Vyacheslav Ivanov <islavaivanov76@gmail.com>

src/voxels/Block.hpp

@@ -48,7 +48,7 @@ struct CoordSystem {
 
     void transform(AABB& aabb) const;
 
-    inline bool isVectorHasNegatives(glm::ivec3 vec) {
+    inline bool isVectorHasNegatives(const glm::ivec3& vec) {
         return (vec.x < 0 || vec.y < 0 || vec.z < 0);
     }
 };