premain to main merge commit test with PRs from dev (#2)

[sophoah]

• disable go test verbose flag

• fix consensus catchup issue

• fix issue from runnig sync loop while stream sync is runing

• update deprecated go-libp2p packages

• goimports

• add error desc in validateNewBlock to help to identify validation issues

• let stream sync downloader continues loop even if error occured

• pass consensus to stream sync through downloader

• add last mile functions to stream sync

• add if to check invalid block revert

• add last mile stage to stream sync

• goimports

• improve stream sync downloader loop to block redundant calls

• move startSyncing out of the shortrange loop

• goimports

• fix sync loop go routine

• remove extra log

• add debug mode to stream sync help debugging syncing issues

• fix stream sync loop channels

• add streamFailed function to short range helper to avoid removing of the healthy streams

• remove execution of stage bodies, stage lastmile, stage short range and stage state for epoch chain

• refactor stage epoch

• add debug logs

• goimports

• add a few debug log to stage short range

• doSync returns estimated height as well

• only switch to short range if the current block number is very close to the chain current height

• stream sync gets UseMemDb from config file

• goimports

• only flag failed streams rather than removing them in stream sync

• if stage blocks progress behind current head, remove block cache

• add rollback to short range

• refactor stage last mile blocks, add roll back to this stage

• improve addConsensusLastMile

• goimports

• fix log spell error

• improve revert function, no need to revert if hashes are empty

• fix switch to short range by removing extra condition

• add donC chan size

• refactor downloader loop mechanism

• use atomic flag rather than done channel in downloader loop

• no need for fail stream in epoch sync

• ignore context timeout

• add mux lock to get access to last mile blocks

• remove atomic flag for downloader loop

• a few improvements on staged sync, check addedBn before switch to short range

• goimports

• fix consensus catchup issue

• fix panic issue from runnig sync loop while stream sync is runing

• goimports

• add two more logs to staged sync

• remove extra debug logs, add more file logs for stream sync

• [build] add mergify rules ([build] add mergify rules harmony-one/harmony#4486)

• add comment for DebugMode

• improve the byte comparison for getBlockFromLastMileBlocksByParentHash function