old style ember config won't work if you run app in http

[UnChosenUndead]

Current Behavior

in file ember-cli-build.js

let app = new EmberApp(defaults, {
    '@embroider/macros': {
      setConfig: {
        '@ember-data/store': {
          polyfillUUID: true,
        },
      },
    },

Expected Behavior

  let app = new EmberApp(defaults, {
    emberData: {
      polyfillUUID: true
    },

Steps To Reproduce

No response

Environment

• Browser: Safari 15.1
• OS: macOS 11.6.1

Anything else?

No response

[Turbo87]

@UnChosenUndead can you expand on what doesn't work for you and why the snippet under "Expected Behavior" would fix it?