fix(middleware): add UseRouting before UseAuthorization

Added `app.UseRouting()` in the middleware pipeline to ensure proper endpoint routing before authorization and controller mapping.

EnvelopeGenerator.Finalizer/Program.cs

@@ -121,6 +121,8 @@ try
 
     app.UseHttpsRedirection();
 
+    app.UseRouting();
+
     app.UseAuthorization();
 
     app.MapControllers();