Add support for middleware

src/http/kernel/module/InjectSessionHTTPModule.ts

@@ -9,6 +9,8 @@ import {Session} from "../../session/Session";
 
 @Injectable()
 export class InjectSessionHTTPModule extends HTTPKernelModule {
+    public readonly executeWithBlockingWriteback = true
+
     public static register(kernel: HTTPKernel) {
         kernel.register(this).after(SetSessionCookieHTTPModule)
     }