drive heal if we have enough success, do not error setList() (#516)

cmd/global-heal.go

@@ -539,7 +539,8 @@ func (er *erasureObjects) healErasureSet(ctx context.Context, buckets []string,
 				go healEntry(bucket, *entry)
 			},
 			finished: func(errs []error) {
-				if countErrs(errs, nil) != len(errs) {
+				success := countErrs(errs, nil)
+				if success < expectedDisks {
 					retErr = fmt.Errorf("one or more errors reported during listing: %v", errors.Join(errs...))
 				}
 			},