chore: use HashCode class to generate hash code instead of XOR values

src/Domain/Common/ValueObject.cs

@@ -33,8 +33,13 @@ public override bool Equals(object? obj)
 
     public override int GetHashCode()
     {
-        return GetEqualityComponents()
-            .Select(x => x != null ? x.GetHashCode() : 0)
-            .Aggregate((x, y) => x ^ y);
+        var hash = new HashCode();
+
+        foreach (var component in GetEqualityComponents())
+        {
+            hash.Add(component);
+        }
+
+        return hash.ToHashCode();
     }
 }