Improve block lookup logging #5535
                
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Issue Addressed
When dabbling in #5534, I noticed some code paths that should be covered by logging
Proposed Changes
Add some extra logs in block lookup
Additional Info
Noticed that
SyncMessage::UnknownBlockHashFromAttestationonly checkssynced_and_connectedwhereasSyncMessage::UnknownParentBlobchecks alsois_execution_engine_online. Is this by design or a typo?