Merge pull request #841 from nolt/bot-behaviour

Make the server-side bots hold up as a population

(cherry picked from commit 88535b63a958fee9803d5fc3a4bdac5a3318d221)

src/GameLogic/Bots/BotManager.cs

@@ -29,6 +29,12 @@ public sealed class BotManager
     /// </summary>
     public IReadOnlyCollection<BotPlayer> Bots => this._bots.Values.ToList();
 
+    /// <summary>
+    /// Gets the number of currently active bots, without taking a snapshot of them - the periodic task
+    /// asks every second whether there is anything to stop.
+    /// </summary>
+    public int BotCount => this._bots.Count;
+
     /// <summary>
     /// Spawns a bot which drives a specific character of the given account.
     /// </summary>