Prevent ActiveRecord::RecordNotUnique error on appeals redistribution

[ajspotts]

Description

This sentry alert uncovered an issue that in the event that a case is redistributed more than once, it will fail as as currently we are hardcoding the case_id in ScheduleHearingColocatedTask. Instead, we need to update that line to dynamically assign case ids, the most straightforward way being to inject a timestamp e.g. (case_id: "#{appeal.uuid}-attempt-#{Time.zone.now}")

Acceptance criteria

• Update the send_to_hearings_branch function in ScheduleHearingColocatedTask to dynamically assign case_id

Background/context/resources

Sentry alert
Slack convo

[lomky]

what is this chart?

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git grep attempt1
check in github for other things around attempt1
update the bat team docs

Why 1?

• change something from 1 to -#{Time.zone.now}

Why 2?

• Updating batteam wiki and githib tickets that reference attempt1

[hschallhorn]

Updated batteam quick ref https://github.com/department-of-veterans-affairs/appeals-deployment/wiki/Bat-Team-Quick-Ref/2cba4b2ee3416766776fb02baad67d2e4fa9f529
Also update #14705
Also updated #14180
also pinged #14597 to update processing script