refactor(server)!: remove redundant error and statusCode fields from error responses (#28140)

* refactor(server)!: remove redundant error and statusCode fields from error responses

* use enum

* enhance response management

* chore: clean up header

* fix: chaining

* refactor: handle error

* fix e2e tests

---------

Co-authored-by: Jason Rasmussen <jason@rasm.me>

server/test/small.factory.ts

@@ -246,8 +246,6 @@ export const factory = {
   date: newDate,
   responses: {
     badRequest: (message: any = null) => ({
-      error: 'Bad Request',
-      statusCode: 400,
       message: message ?? expect.anything(),
     }),
   },