swh-site: indexer/orchestrator configuration adaptations
- data/defaults: Let task reschedule itself through the scheduler
- mimetype/config: Use scheduler's task_type as destination task
- orchestrator*/config: Use scheduler's task_type as indexer
Depends on D606 Depends on D609 Depends on D612
Related T1290 Related D606#inline-2923
Migrated from D614 (view on Phabricator)