Fix start_date and end_date for epics created through API

Everyone can contribute. Help move this issue forward while earning points, leveling up and collecting rewards.

• Close this issue

In epic REST API when a new epic was created, start_date and end_date attributes were not set properly. This was fixed in !18393 (merged) but we should fix any existing epics which have start_date and end_date unset and fill these values from _fixed attributes.

The following discussion from !18393 (merged) should be addressed:

• @jprovaznik started a discussion: (+2 comments)

  I wonder if we have some existing epics which we need to fix in a migration?