Add an option to the admin fax menu to lock papers such that they can't be edited by cybersun pens (#28972)

* Add option to adminfax for locking papers.

* Replace dummy control with margin

Content.Server/Paper/PaperComponent.cs

@@ -1,5 +1,4 @@
 using Content.Shared.Paper;
-using Robust.Shared.GameStates;
 
 namespace Content.Server.Paper;
 
@@ -21,4 +20,7 @@ public sealed partial class PaperComponent : SharedPaperComponent
     /// </summary>
     [DataField("stampState")]
     public string? StampState { get; set; }
+
+    [DataField]
+    public bool EditingDisabled = false;
 }