I just disabled my adblocker and can now reproduce the problem you described. Would you please post the .htaccess and any custom header settings you changed/added in OLS?
Think this covers it:
Server Configure > Cache Module
Module Parameters
storagePath $SERVER_ROOT/cachedata
Virtual Host (subdomain) > Cache Module
Module Parameters
CacheRoot lscache
CacheEngine On
CacheIgnoreCacheControl On
CacheLookup public on
CacheLookup private on
Virtual Host (subdomain) > Context
Header Operations
Strict-Transport-Security: max-age=31536000; includeSubDomains
Content-Security-Policy "upgrade-insecure-requests;connect-src *"
Referrer-Policy strict-origin-when-cross-origin
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
X-XSS-Protection 1;mode=block
Permissions-Policy: geolocation=(self "")
.htaccess
Header unset Pragma
AddDefaultCharset utf-8
<IfModule litespeed>
CacheLookup on
</IfModule>
<FilesMatch \.php$>
SetHandler proxy:fcgi://westeros-php81
</FilesMatch>