Fix code dockerfile

Author: jeanp413

components/ide/code/leeway.Dockerfile

@@ -134,7 +134,7 @@ RUN npm run gulp compile-build \
 # config for first layer needed by blobserve
 # this custom urls will be then replaced by blobserve.
 # Check pkg/blobserve/blobserve.go, `inlineVars` method
-RUN cp /vscode-web/out/vs/gitpod/browser/workbench/workbench.esm.html /vscode-web/index.html \
+RUN cp /vscode-web/out/vs/gitpod/browser/workbench/workbench.html /vscode-web/index.html \
 && cp /vscode-web/out/vs/gitpod/browser/workbench/callback.html /vscode-web/callback.html \
 && sed -i -e "s/{{VERSION}}/$CODE_QUALITY-$CODE_COMMIT/g" /vscode-web/index.html