Describe the bug
In my application, I have a translation with ID addToCart. Since I use it in multiple files, I've only provided a default message once. Now, when I extract the messages, it's extracted as:

msgid "addToCart"
msgstr "addToCart"

To Reproduce
Steps to reproduce the behavior, possibly with minimal code sample, e.g:

ComponentOne.tsx

import { i18n } from "@lingui/core"

export default function ComponentOne() {
  return i18n._("addToCart")
}

ComponentTwo.tsx

import { i18n } from "@lingui/core"

export default function ComponentTwo() {
  return i18n._({ id: "addToCart", message: "Add to cart" })
}

Now run lingui extract --overwrite --clean with this as lingui.config.js:

module.exports = {
  orderBy: "messageId",
  locales: [ "en", "nl", "de" ],
  fallbackLocales: {
    default: "en"
  },
  sourceLocale: "en",
  catalogs: [
    {
      path: "./locales/{locale}/messages",
      include: [ "**/**/*.ts*" ],
      exclude: [ "node_modules/**", "**/*.d.ts" ]
    }
  ],
  format: "po",
  compileNamespace: "ts"
}

Expected behavior
I expect the message to be extracted as:

msgid "addToCart"
msgstr "Add to cart"

Additional context
Add any other context about the problem here.

• jsLingui version lingui --version: 4.8.0
• Babel version npm list @babel/core: 7.24.4
• Macro support:
• I'm using SWC with @lingui/swc-plugin
• I'm using Babel with babel-macro-plugin
• I'm not using macro
• Your Babel config (e.g. .babelrc) or framework you use (Create React App, NextJs, Vite): I'm using Next.js