[Transforms] module concatenation missing module name in AMD output #7880

//// [concat.js]
define("baz", ["require", "exports", "a/bar", "a/foo"], function (require, exports, bar_1, foo_1) {
    "use strict";
    exports.pi = Math.PI;
    exports.y = bar_1.x * foo_1.i;
});

//// [concat.js]
define(["require", "exports", "a/bar", "a/foo"], function (require, exports, bar_1, foo_1) {
    "use strict";
    exports.pi = Math.PI;
    exports.y = bar_1.x * foo_1.i;
});