Fix train bounding box/delta not being updated when entering bridge from 45° angle

src/train_cmd.cpp

@@ -3389,6 +3389,7 @@ bool TrainController(Train *v, Vehicle *nomove, bool reverse)
 				v->x_pos = gp.x;
 				v->y_pos = gp.y;
 				v->UpdatePosition();
+				v->UpdateDeltaXY(v->direction);
 				if ((v->vehstatus & VS_HIDDEN) == 0) v->Vehicle::UpdateViewport(true);
 				continue;
 			}