Issue 47662 - CLI args get removed
    
    Bug Description.  Regression from previous fix.  The process to check unknown
                      CLI options blows away the built-in arg list "$@"
    
    Fix Description:  Make a copy of $@, and use it as needed.
    
    https://pagure.io/389-ds-base/issue/47662
    
    Reviewed by: nhosoi(Thanks!)