Feature/skipped progress

[asdacap]

• Add skipped log to sync progress to indicate if a block already exist and is not downloaded.
• This happens if bodies/receipts/headers already imported via era or beacon header restarted mid download.
• MeasuredProgress -> ProgressLogger.

Type of change

• New feature (a non-breaking change that adds functionality)

Testing

Requires testing

• Yes
• No

If yes, did you write tests?

• Yes
• No

Notes on testing

• Works with era import

[benaadams]

Merge conflict

[asdacap]

Fixed conflict