Log unknown events instead of throwing exception

Log unknown events with a minimal amount of information instead of
throwing an exception. Makes the program more reliable even when new
ones are added in the DCS-gRPC server.

Jupiter.Core/ViewModels/MainViewModel.cs

@@ -271,7 +271,8 @@ public async Task StreamEvents()
                             GameEventCollection.Add(new EventSummary(gameEvent.Time, gameEvent.EventCase.ToString(), gameEvent.MarkRemove.Initiator?.Unit?.PlayerName, gameEvent.MarkRemove.Initiator?.Unit?.Name, gameEvent.ToString()));
                             break;
                         default:
-                            throw new ArgumentOutOfRangeException();
+                            GameEventCollection.Add(new EventSummary(gameEvent.Time, gameEvent.EventCase.ToString(), "Unknown", "Unknown", "Unknown Event"));
+                            break;
                     }
                     Console.WriteLine(gameEvent.ToString());
                 }