This field was previously being returned, but missing from the RPCHelpMan. This PR uses the existing NET_PERMISSIONS_DOC
to inform RPC users about this field.
0 "permissions" : [ (json array) Any special permissions that have been granted to this peer
1 "str", (string) bloomfilter (allow requesting BIP37 filtered blocks and transactions),
2 noban (do not ban for misbehavior; implies download),
3 forcerelay (relay transactions that are already in the mempool; implies relay),
4 relay (relay even in -blocksonly mode, and unlimited transaction announcements),
5 mempool (allow requesting BIP35 mempool contents),
6 download (allow getheaders during IBD, no disconnect after maxuploadtarget limit),
7 addr (responses to GETADDR avoid hitting the cache and contain random records with the most up-to-date info).
8
9 ...
10 ],