feat(dot/sync): Implement state sync strategy

[dimartiro]

Changes

Implements state sync strategy as the next step to be able to use the warp sync process.
This change includes:

• State sync strategy implementation
• Refactor StateRequestProvider
  • Move it as part of sync package
  • Use it in state retrieval script and state sync strategy
  • Tests
• Strategy switching
• Refactor sync service to create the strategies within it as we discussed here
  • Fix tests
• Improve logs
  • Remove some redundant logs
  • Modify some log levels to clean up the "production" logs
• Tests

Tests

go test -tags integration github.com/ChainSafe/gossamer

Issues

Closes: #4238