Issue 49227 - ldapsearch for nsslapd-errorlog-level returns
     incorrect values
    
    Bug Description:  ldapsearch for the error log level returns the internal
                      bitmask value and not the value set in cn=config.
    
    Fix Description:  When setting the error log level store the initial/untouched
                      value in the config entry first, then set the bitmasked
                      global log level variable.
    
    https://pagure.io/389-ds-base/issue/49227
    
    Reviewed by: nhosoi(Thanks!)