fix: invalid filter

Author: rubnogueira

lib/sql.js

@@ -1125,7 +1125,7 @@ SQLConnector.prototype._buildWhere = function(model, where) {
       if (Array.isArray(clauses)) {
         for (let i = 0, n = clauses.length; i < n; i++) {
           const stmtForClause = self._buildWhere(model, clauses[i]);
-          if (stmtForClause.sql) { // first case, getting into ()
+          if (stmtForClause.sql) {
             stmtForClause.sql = '(' + stmtForClause.sql + ')';
             branchParams = branchParams.concat(stmtForClause.params);
             branches.push(stmtForClause.sql);