HPCC-11790 Handle LDAP "Too Many" error

Added filter to Users list.
Check the ws_access.Users response for the the "LDP too many error" and prompt the user to use the new filter.

Fixes HPCC-11790

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Merge pull request #6159 from GordonSmith/HPCC-11790

HPCC-11790 Handle LDAP "Too Many" error

Reviewed-By: Miguel Vazquez <miguel.vazquez@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>