Avoid importing entire lodash to ensure tree-shaking is working corre…

…ctly (#4302)

lib/dialects/mssql/index.js

@@ -1,16 +1,17 @@
 // MSSQL Client
 // -------
-const { map, flatten, values, isNil } = require('lodash');
+const flatten = require('lodash/flatten');
+const map = require('lodash/map');
+const values = require('lodash/values');
+const isNil = require('lodash/isNil');
 
 const Client = require('../../client');
-
 const MSSQL_Formatter = require('./mssql-formatter');
 const Transaction = require('./transaction');
 const QueryCompiler = require('./query/mssql-querycompiler');
 const SchemaCompiler = require('./schema/mssql-compiler');
 const TableCompiler = require('./schema/mssql-tablecompiler');
 const ColumnCompiler = require('./schema/mssql-columncompiler');
-
 const QueryBuilder = require('../../query/querybuilder');
 
 const debug = require('debug')('knex:mssql');