Always stop startup timer

Author: evanweible-wf

lib/src/serve_command.dart

@@ -210,10 +210,11 @@ class ServeCommand extends Command<int> {
         final elapsedSeconds =
             (startupTimer.elapsedMilliseconds / 1000).toStringAsFixed(1);
         stdout.writeln('[INFO] Succeeded after $elapsedSeconds seconds');
-        startupTimer.stop();
       }
     }
 
+    startupTimer.stop();
+
     return exitCodeCompleter.future;
   }
 }