feat(dot/sync): Resume full sync after warp sync is finished

[dimartiro]

Changes

Set up everything to resume syncing from the latest block retrieved using warp sync

Summary of changes

• Retrieve block # 1 when state sync finishes
  • Use it to set the slot number
• Set up the context to continue syncing from latest block
  • Store state in storage
  • Set new runtime from state
  • Create a new blocktree from the latest block
  • Finalize latest block
    • Do not try to finalize block ancestors
• Fix tests

Tests

make test

# or by running a node with warp sync

make build
./bin/gossamer init --force --chain paseo
./bin/gossamer --sync warp --chain paseo

Issues

#4430

[EclesioMeloJunior]

LGTM!