exchange: reintroduce info on wantlist update to no connected peer
exchange: reintroduce info on wantlist update to no connected peer

License: MIT
Signed-off-by: Jakub Sztandera <77246600354bed77252577b0222eb63e0827639a@protonmail.ch>

chriscool/go-ipfs,chriscool/go-ipfs,Luzifer/go-ipfs,Luzifer/go-ipfs,Luzifer/go-ipfs,ianopolous/go-ipfs,ianopolous/go-ipfs,ianopolous/go-ipfs,chriscool/go-ipfs