Apply IEventBusConfigurator instances in reverse

src/Tingle.EventBus/DependencyInjection/EventBusConfigureOptions.cs

@@ -27,7 +27,7 @@ public EventBusConfigureOptions(IHostEnvironment environment, IEnumerable<IEvent
     /// <inheritdoc/>
     public void Configure(EventBusOptions options)
     {
-        foreach (var cfg in configurators)
+        foreach (var cfg in configurators.Reverse())
         {
             cfg.Configure(options);
         }
@@ -88,7 +88,7 @@ public void PostConfigure(string? name, EventBusOptions options)
         var registrations = options.Registrations.Values.ToList();
         foreach (var evr in registrations)
         {
-            foreach (var cfg in configurators)
+            foreach (var cfg in configurators.Reverse())
             {
                 cfg.Configure(evr, options);
             }

src/Tingle.EventBus/EventBus.cs

@@ -242,7 +242,7 @@ internal EventRegistration GetOrCreateRegistration<TEvent>()
             // at this point, the registration does not exist;
             // create it and pass it through all the configurators.
             var registration = new EventRegistration(et);
-            foreach (var cfg in configurators)
+            foreach (var cfg in configurators.Reverse())
             {
                 cfg.Configure(registration, options);
             }

src/Tingle.EventBus/Transports/EventBusTransportConfigureOptions.cs

@@ -56,7 +56,7 @@ public virtual void Configure(string? name, TOptions options)
     /// <param name="options"></param>
     protected virtual void Configure(IConfiguration configuration, TOptions options)
     {
-        foreach (var cfg in configurators)
+        foreach (var cfg in configurators.Reverse())
         {
             cfg.Configure(configuration, options);
         }