feat: CUID & fix: reorder bug

CarManagerV3/Classes/Car.cs

@@ -1,4 +1,5 @@
 using System;
+using CarManagerV3.Util;
 
 namespace CarManagerV3
 {
@@ -115,12 +116,15 @@ namespace CarManagerV3
             int numericId = 0;
             if ((string.IsNullOrWhiteSpace(id) || int.TryParse(id, out numericId)) && id != "0")
             {
-                id = Guid.NewGuid().ToString();
+                id = CUID.NewCUID().ToString();
                 if (numericId > 0)
                 {
                     order = numericId + order;
                 }
-
+            }
+            if(id.Length > 8)
+            {
+                id = CUID.NewCUID().ToString();
             }
             // Sets the properties using the setters to ensure validation is applied.
             this.id = id;