Add queued DNS checks with polling, status indicators, and notifications for application and service domains. Improve volume backup target labels and names.
List service database schedules with volume backups, add a database
picker when creating scheduled DB backups from the service page, and
cover the unified table and create flow in tests.
Eager-load S3 on volume backup lists and add an S3 status column with
Configured/Unavailable/Not set badges. Surface Local vs S3 on the
persistent storages backup column. Move service resource domain links
to a globe action in the card footer, and update related tests and grid CSS.