[Meta] slot replayer

[sydhds]

• Dump block (Initial code for dump-block feature #4684)
  • Dump block in rocks db - test branch ("test/dump_rocksdb_1")
    • This must be configurable and support both dump into rocksdb & individual bin files
      • Make dump backend configurable #4692
• Execution info (Initial code for execution info #4685)
  • Block rewards (block create, endorsement creator & endors'ed)
  • Operations (Tx & SC calls)
  • Roll (buy, sell, auto sell)
  • Denunciation (exec, expiration)
  • Deferred credits (exec)
  • Async message (refund, exec)
• Massa functional test (to easily get db backup & block dump) (https://github.com/massalabs/massa-functional-tests/pull/21)
  • Allow patch constant to patch type like Option<T> and to replace comp… massa-test-framework#30
• Slot replayer bin
  • list db snapshots & info
  • init final state from a db snapshots
  • check available blocks
  • Replay blocks?