Track Admin Game Time (#24945)

* AdminTime tracked

* Attempts to fix PR issues.

* Admin afk logic update

Content.Shared/Players/PlayTimeTracking/PlayTimeTrackingShared.cs

@@ -1,9 +1,18 @@
-namespace Content.Shared.Players.PlayTimeTracking;
+using Content.Shared.Dataset;
+
+namespace Content.Shared.Players.PlayTimeTracking;
 
 public static class PlayTimeTrackingShared
 {
     /// <summary>
     /// The prototype ID of the play time tracker that represents overall playtime, i.e. not tied to any one role.
     /// </summary>
+    [ValidatePrototypeId<PlayTimeTrackerPrototype>]
     public const string TrackerOverall = "Overall";
+
+    /// <summary>
+    /// The prototype ID of the play time tracker that represents admin time, when a player is in game as admin.
+    /// </summary>
+    [ValidatePrototypeId<PlayTimeTrackerPrototype>]
+    public const string TrackerAdmin = "Admin";
 }