Schedule Edit: Missing "Use Relative Time" field when editing Custom scheduled events

[ifarzana]

When editing an event that is initially scheduled as Always, and you switch to a custom schedule, the Use Relative Time field is not visible. This differs from the behaviour observed when adding a new event with custom scheduling, where the field is available.

Steps to Reproduce:

• Create an event scheduled for Always
• Attempt to edit the event and change the schedule Dayparting field to Custom
• Observe that the Use Relative Time field is missing in the edit mode.