refactor: add StorageProtocol to S5ProtocolResult

protocols/s5/s5.go

@@ -55,6 +55,7 @@ type S5ProtocolResult struct {
 	S5Protocol      *S5Protocol
 	S5NodeConfig    *s5config.NodeConfig
 	Db              *bolt.DB
+	StorageProtocol storage.StorageProtocol
 }
 
 type S5ProviderStoreParams struct {
@@ -96,6 +97,7 @@ func NewS5Protocol(
 		S5Protocol:      proto,
 		S5NodeConfig:    cfg,
 		Db:              cfg.DB,
+		StorageProtocol: GetStorageProtocol(proto),
 	}, nil
 }