contractcourt: pass in new aux resolution blob to sweeper in resolvers

With this commit, we update all the resolvers to pass in the new htlc
resolution blobs. Along the way, we remove the old blocking guard on
this resolution logic for HTLCs with blobs.

contractcourt/htlc_outgoing_contest_resolver.go

@@ -58,17 +58,6 @@ func (h *htlcOutgoingContestResolver) Resolve(
 		return nil, nil
 	}
 
-	// If the HTLC has custom records, then for now we'll pause resolution.
-	//
-	// TODO(roasbeef): Implement resolving HTLCs with custom records
-	// (follow-up PR).
-	if len(h.htlc.CustomRecords) != 0 {
-		select { //nolint:gosimple
-		case <-h.quit:
-			return nil, errResolverShuttingDown
-		}
-	}
-
 	// Otherwise, we'll watch for two external signals to decide if we'll
 	// morph into another resolver, or fully resolve the contract.
 	//