Fix hanling module names that require escaping

js/js.translator/testData/box/export/reservedModuleName.kt

@@ -0,0 +1,15 @@
+// IGNORE_BACKEND: JS
+// EXPECTED_REACHABLE_NODES: 1270
+// SKIP_MINIFICATION
+// RUN_PLAIN_BOX_FUNCTION
+// INFER_MAIN_MODULE
+
+// MODULE: if
+// FILE: lib.kt
+@JsName("foo")
+public fun foo(k: String): String = "O$k"
+
+// FILE: test.js
+function box() {
+    return this["if"].foo("K");
+}