multi: add global log for wallet db postgres back

kvdb/postgres/db.go

@@ -28,6 +28,7 @@ func newPostgresBackend(ctx context.Context, config *Config, prefix string) (
 		Schema:                "public",
 		TableNamePrefix:       prefix,
 		SQLiteCmdReplacements: sqliteCmdReplacements,
+		WithTxLevelLock:       config.WithGlobalLock,
 	}
 
 	return sqlbase.NewSqlBackend(ctx, cfg)