Feature - Security incident stages description edit option

As a user I want to be able to have different descriptions for same stage. Right now it is not possible because there are general stages defined and these are used for each incident, without option to edit them (only complete/incomplete)

Int. ref: https://github.com/eramba/eramba_v2/issues/2892
Int. ref: https://eramba.zendesk.com/agent/tickets/12791