R1:c6642213d57f

Straighten out replication/cache behavior in "bin/storage dump"

Summary:
Fixes T13336.

- Prevent `--no-indexes` from being combined with `--for-replica`, since combining these options can only lead to heartbreak.
- In `--for-replica` mode, dump caches too. See discussion in T13336. It is probably "safe" to not dump these today, but fragile and not correct.
- Mark the "MarkupCache" table as having "Cache" persistence, not "Data" persistence (no need to back it up, since it can be fully regenerated…