Solr 8.7 configset empty when uploaded with authentication

Question

We have enabled authentication in Solr 8.7 and now I want to upload a configset and thereby create a collection based on this configset. I have followed the below steps:

1. create config zip
   (cd /disk/configsets/my-collection/conf && zip -r - *) > my-collection.zip
   The zip file rightly contains all configurations as expected with top level as solrconfig.xml

2. upload configset to zookeeper
   curl -X POST --header "Content-Type:application/octet-stream" --user userSolr:pwdSolr --data-binary @my-collection.zip "http://host:port/solr/admin/configs?action=UPLOAD&name=my-collection"

3. create collection
   curl -X POST --header "Content-Type:application/octet-stream" --user userSolr:pwdSolr "http://host:port/solr/admin/collections?action=CREATE&name=my-collection&numShards=1&replicationFactor=1&createNodeSet=localhost:8081_solr&collection.configName=my-collection"

I can see the configset listed in Solr UI as well as the created collection. However, when I click on files section of collection, its empty. This collection has no configs which means the configset is uploaded empty.

What am I missing?