Test-time reflected event checker

Server UI components work with new system
Events for loading and unloading TorchSessions
Commands report information again.
Catch, log, and rethrow errors that occur in Torch-handled SE events

Torch/Managers/MultiplayerManagerBase.cs

@@ -115,7 +115,7 @@ namespace Torch.Managers
         protected void RaiseClientJoined(ulong steamId)
         {
             var vm = new PlayerViewModel(steamId){State=ConnectionState.Connected};
-            _log.Info($"Plat {vm.Name} joined ({vm.SteamId}");
+            _log.Info($"Player {vm.Name} joined ({vm.SteamId}");
             Players.Add(steamId, vm);
             PlayerJoined?.Invoke(vm);
         }