Title: time_period: Fix error when updating a time period without changing its alias
Class: fix
Compatible: compat
Component: rest-api
Date: 1702559447
Edition: cre
Level: 1
Version: 2.2.0p18
Prior to this Werk, when updating a time period keeping the same alias, it would raise an
error
due to the alias already being in use. This fix changes that and performs the requested
update.