Refactor object cloning and simplify code structure

- Added a using directive for `ListFunctions.Extensions`.
- Removed the `CopyObject` method and replaced it with `CloneIf()` for object cloning.
- Simplified the retrieval of the `statement` variable by inlining the call to `_statementProp.Value.GetValue(info)`.
- Updated handling of `variable.Value` to utilize the new `CloneIf()` method, improving clarity and efficiency.

Author: Yevrag35

src/engine/ListFunctions.Engine/Modern/Exceptions/ScriptBlockInvocationException.cs

@@ -1,4 +1,5 @@
-using ListFunctions.Internal;
+using ListFunctions.Extensions;
+using ListFunctions.Internal;
 using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -64,22 +65,6 @@ public override void GetObjectData(SerializationInfo info, StreamingContext cont
         }
 
 #endif
-
-        [return: NotNullIfNotNull(nameof(obj))]
-        protected static object? CopyObject(object? obj)
-        {
-            switch (obj)
-            {
-                case ICloneable cloneable:
-                    return cloneable.Clone();
-
-                case PSObject pso:
-                    return pso.Copy();
-
-                default:
-                    return obj;
-            }
-        }
         private static string FormatMessage(string message, Exception? inner, string? statement)
         {
             if (string.IsNullOrWhiteSpace(statement))
@@ -105,8 +90,7 @@ public static string GetScriptStatement(InvocationInfo info)
 
             try
             {
-                string? statement = _statementProp.Value.GetValue(info) as string;
-                return statement ?? info.Line;
+                return _statementProp.Value.GetValue(info) as string ?? info.Line;
             }
             catch (Exception e)
             {
@@ -135,7 +119,7 @@ private static void AddToDict(ref Dictionary<string, object?> dict, PSVariable?
                 return;
             }
 
-            object? val = CopyObject(variable.Value);
+            object? val = variable.Value.CloneIf();
 
 #if NET5_0_OR_GREATER
             _ = dict.TryAdd(variable.Name, val);