[Bug]: OpenAPI 3 Emitter crash on @useAuth({})

[skywing918]

Describe the bug

OpenAPI 3 Emitter crash on @useAuth({}).

TSP

import "@typespec/http";

using TypeSpec.Http;
@service
@useAuth({})
namespace Security;

Internal Compiler Error

Internal Compiler Error
ExternalError: Emitter "@typespec/openapi3" crashed! This is a bug.
Please file an issue at https://github.com/microsoft/typespec/issues

TypeError: Cannot read properties of undefined (reading 'add')
    at getOpenAPI3SchemeInternal (https://typespec.blob.core.windows.net/pkgs/@typespec/openapi3/0.58.0/index.js:7080:29)
    at getOpenAPI3Scheme (https://typespec.blob.core.windows.net/pkgs/@typespec/openapi3/0.58.0/index.js:7046:24)
    at getOpenAPISecuritySchemes (https://typespec.blob.core.windows.net/pkgs/@typespec/openapi3/0.58.0/index.js:7010:28)
    at initializeEmitter (https://typespec.blob.core.windows.net/pkgs/@typespec/openapi3/0.58.0/index.js:5778:33)
    at getOpenApiFromVersion (https://typespec.blob.core.windows.net/pkgs/@typespec/openapi3/0.58.0/index.js:6149:13)
    at getProjectedOpenAPIDocument (https://typespec.blob.core.windows.net/pkgs/@typespec/openapi3/0.58.0/index.js:5931:36)
    at getOpenAPI (https://typespec.blob.core.windows.net/pkgs/@typespec/openapi3/0.58.0/index.js:5882:40)
    at Object.emitOpenAPI (https://typespec.blob.core.windows.net/pkgs/@typespec/openapi3/0.58.0/index.js:5731:32)
    at Object.$onEmit [as emitFunction] (https://typespec.blob.core.windows.net/pkgs/@typespec/openapi3/0.58.0/index.js:5650:19)
    at runEmitter (https://typespec.blob.core.windows.net/pkgs/@typespec/compiler/0.58.1/index.js:6512:27)

--------------------------------------------------
Library Version                0.58.0
TypeSpec Compiler Version      0.58.1
--------------------------------------------------

Reproduction

Playground

Checklist

• Follow our Code of Conduct
• Check that there isn't already an issue that request the same bug to avoid creating a duplicate.
• Check that this is a concrete bug. For Q&A open a GitHub Discussion.
• The provided reproduction is a minimal reproducible example of the bug.