Add SendMessageToAll method (#484)

* Fix typo

* Add SendMessageToAll method

Libraries/SPTarkov.Server.Core/Helpers/NotificationSendHelper.cs

@@ -50,7 +50,7 @@ public class NotificationSendHelper(
             if (logger.IsLogEnabled(LogLevel.Debug))
             {
                 logger.Debug(
-                    $"Send message for {sessionID} websocket not available, queuing into profile"
+                    $"Send message for {sessionID} websocket not available, queueing into profile"
                 );
             }
             notificationService.Add(sessionID, notificationMessage);

Libraries/SPTarkov.Server.Core/Servers/Ws/SptWebSocketConnectionHandler.cs

@@ -163,6 +163,17 @@ public class SptWebSocketConnectionHandler(
         }
     }
 
+    public void SendMessageToAll(WsNotificationEvent output)
+    {
+        lock (_socketsLock)
+        {
+            foreach (var sessionID in _sockets.Keys)
+            {
+                SendMessage(sessionID, output); // this currently serializes for every socket, might want to separate into sending already serialized data
+            } 
+        }
+    }
+
     public void SendMessage(string sessionID, WsNotificationEvent output)
     {
         try