Fix JS parser to properly handle "." <keyword> sequence

js/js.translator/testData/box/inlineMultiModule/keywordAsMemberName.kt

@@ -0,0 +1,13 @@
+// MINIFICATION_THRESHOLD: 481
+// MODULE: lib
+// FILE: lib.kt
+class A {
+    fun instanceof() = "OK"
+}
+
+inline fun foo() = A().instanceof()
+
+// MODULE: main(lib)
+// FILE: main.kt
+
+fun box() = foo()