fix: ensure that features are set when syncing peers #3745
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Description
Motivation and Context
If a peer somehow is created with incorrect peer features (say, by adding a wallet to peer_seeds list), and that same peer is later synced with a valid signature but without updating the erroneous features in the existing peer, the peer will have an invalid state and signature in its database causing it to be banned by other nodes.
How Has This Been Tested?
Manually, added a wallet to my peer seeds and didnt get banned