fix #5229 - move IServerStartup.Configure execution until later so that it is possible to register custom endpoints

Oqtane.Server/Startup.cs

@@ -195,9 +195,6 @@ namespace Oqtane
                 app.UseHsts();
             }
 
-            // execute any IServerStartup logic
-            app.ConfigureOqtaneAssemblies(env);
-
             // allow oqtane localization middleware
             app.UseOqtaneLocalization();
 
@@ -248,6 +245,9 @@ namespace Oqtane
                     .AddAdditionalAssemblies(typeof(SiteRouter).Assembly);
             });
 
+            // execute any IServerStartup logic
+            app.ConfigureOqtaneAssemblies(env);
+
             // simulate the fallback routing approach of traditional Blazor - allowing the custom SiteRouter to handle all routing concerns
             app.UseEndpoints(endpoints =>
             {