Fix 3046a6ce: [Preview] building preview failed to patch LZMA (#9620)

The job was started under a non-priv user, which did not have
permission to patch the emscripten files required to make LZMA
work.

.github/workflows/preview_build.yml

@@ -13,8 +13,6 @@ jobs:
     container:
       # If you change this version, change the number in the cache step too.
       image: emscripten/emsdk:2.0.31
-      # uid=1001(runner) gid=121(docker)
-      options: -u 1001:121
 
     steps:
     - name: Update deployment status to in progress