Fixed Web IDE web workers not loading with relative root URL

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/50451

app/assets/javascripts/lib/utils/webpack.js

@@ -6,5 +6,5 @@ export function resetServiceWorkersPublicPath() {
   // see: https://webpack.js.org/guides/public-path/
   const relativeRootPath = (gon && gon.relative_url_root) || '';
   const webpackAssetPath = `${relativeRootPath}/assets/webpack/`;
-  __webpack_public_path__ = webpackAssetPath; // eslint-disable-line camelcase
+  window.__webpack_public_path__ = webpackAssetPath; // eslint-disable-line
 }

changelogs/unreleased/fix-ide-web-worker-relative-url.yml

+---
+title: Fixed Web IDE web workers not working with relative URLs
+merge_request:
+author:
+type: fixed