[JS IR] Add test with chain export--not-export--export

^KT-44616 fixed

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

@@ -0,0 +1,38 @@
+// IGNORE_BACKEND: JS
+// RUN_PLAIN_BOX_FUNCTION
+// INFER_MAIN_MODULE
+
+// MODULE: overriden-chain-non-export-intermediate
+// FILE: lib.kt
+@JsExport
+abstract class A {
+    abstract fun foo(): String
+
+    abstract fun bar(): String
+}
+
+abstract class B : A() {
+    abstract fun baz(): String
+
+    override fun foo(): String = "foo"
+}
+
+@JsExport
+class C : B() {
+    override fun bar(): String = "bar"
+    override fun baz(): String = "baz"
+
+    fun bay(): String = "bay"
+}
+
+// FILE: test.js
+
+function box() {
+    return test(new this["overriden-chain-non-export-intermediate"].C());
+}
+
+function test(c) {
+    if (c.foo() === "foo" && c.bar() === "bar" && c.bay() == "bay") return "OK"
+
+    return "fail"
+}