revamp edit mirror and cancel mirror: one is to initiate editing of an existing mirror and the other cancels editing of new or existing mirrors
revamp edit mirror and cancel mirror: one is to initiate editing of an existing mirror and the other cancels editing of new or existing mirrors

Signed-off-by: Dominik Richter <b7323add517e187efe0283b76511b7ed762bfe13@gmail.com>

TelekomCloud/postrider