Issue Summary

This is reproducible on Data Center: (no)

Admin key API calls to /wiki/search doens't return restricted content.

Steps to Reproduce

1. create a restricted page in a space
2. using admin key API enable admin key for a site-admin
3. using admin key make a `/wiki/search` call

   curl --location 'https://sitename.atlassian.net/wiki/rest/api/search?cql=space=<spacke_key>' \
   --header 'Accept: application/json' \
   --header 'Atl-Confluence-With-Admin-Key: true' \
   --user $EMAIL:$API_TOKEN
   

Expected Results

Since we're using admin key feature, the search should return restricted pages in the space

Actual Results

The search only returns pages that the user has access to, despite using admin key

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available