HPCC-11757 Private user file scope not created on 389DirectoryServer

On non Active Directory LDAP servers, code is bypassed that creates the
user's private file scope "HpccInternal::username". This fix ensures the
scope is created on all server types;

Signed-off-by: William Whitehead <william.whitehead@lexisnexis.com>
Merge pull request #6105 from RussWhitehead/userScope

HPCC-11757 Private user file scope not created on 389DirectoryServer

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>