HPCC-12234 Should warn if admin is removed
Whenever an administrator removes themselves from being a member of "Administrators" they can potentially lock themselves out of the group due to a auto save feature within ECL Watch. Now they will receive a confirm warning them that they are about to lock themselves out of the admin group.

Signed-off-by: Miguel Vazquez <miguel.vazquez@lexisnexis.com>
Merge pull request #6528 from miguelvazq/HPCC-12234

HPCC-12234 - Should warn if admin is removed

Reviewed-By: Gordon Smith <gordon.smith@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>