Play time tracking: Job timers 3: more titles: when the (#9978)

Co-authored-by: Veritius <veritiusgaming@gmail.com>
Co-authored-by: metalgearsloth <comedian_vs_clown@hotmail.com>

Content.Shared/Players/PlayTimeTracking/PlayTimeTrackingShared.cs

@@ -0,0 +1,9 @@
+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>
+    public const string TrackerOverall = "Overall";
+}