NukeOps start with either station codes or their codes (#14025)

* NukeOps start with all nuke codes

* make it pick a random code

* clarify this

Content.Server/Nuke/NukeCodePaperComponent.cs

@@ -7,5 +7,12 @@ namespace Content.Server.Nuke
     [RegisterComponent]
     public sealed class NukeCodePaperComponent : Component
     {
+        /// <summary>
+        /// Whether or not paper will contain a code for a nuke on the same
+        /// station as the paper, or if it will get a random code from all
+        /// possible nukes.
+        /// </summary>
+        [DataField("allNukesAvailable")]
+        public bool AllNukesAvailable;
     }
 }