Issue 51165 - Set the operation start time for extended ops
    
    Bug Description:  Extended ops, likewhat is used in replication, were not
                      setting the operation start time.  This caused invalid
                      values in the new access log keywords (wtime & optime)
    
    Fix Description:  Set the start start at the start of the extended op.
    
    Fixes: https://pagure.io/389-ds-base/issue/51165
    
    Reviewed by: mreynolds (one line commit rule)