Fixed overrides of "Created" property causing initialisation to fail.

prs.classes/Entities/Notification/Notification.cs

@@ -24,7 +24,11 @@ namespace Comal.Classes
     {
         [EditorSequence(1)]
         [DateTimeEditor(Editable = Editable.Hidden)]
-        public override DateTime Created { get; set; }
+        public override DateTime Created
+        {
+            get => base.Created;
+            set => base.Created = value;
+        }
 
         [EditorSequence(2)]
         public EmployeeLink Sender { get; set; }

prs.classes/Entities/Requisition/Requisition.cs

@@ -51,9 +51,13 @@ namespace Comal.Classes
         
         [EditorSequence(2)]
         [DateEditor(Editable = Editable.Hidden)]
-        public override DateTime Created { get; set; }
+        public override DateTime Created
+        {
+            get => base.Created;
+            set => base.Created = value;
+        }
+
 
-        
         [EditorSequence(3)]
         [TextBoxEditor]
         public string Title { get; set; }

prs.classes/Entities/Staging/Setout/StagingSetout.cs

@@ -54,7 +54,11 @@ namespace Comal.Classes
     {
         [EditorSequence(1)]
         [DateTimeEditor(Visible = Visible.Default, Editable = Editable.Hidden)]
-        public override DateTime Created { get; set; }
+        public override DateTime Created
+        {
+            get => base.Created;
+            set => base.Created = value;
+        }
 
         [TextBoxEditor(Editable = Editable.Disabled)]
         [EditorSequence(2)]