ebs br: support retry to restore at recoverregion and waitapply phase

[BornChanger]

Feature Request

Is your feature request related to a problem? Please describe:

If tikv node is killed, ebs snapshot restore will fail even if the tikv node comes back later

Describe the feature you'd like:

Region recovery and wait apply phases need to support restart.

Describe alternatives you've considered:

Teachability, Documentation, Adoption, Migration Strategy:

[BornChanger]

fixed by pingcap/tidb#46094