[K/JS] Make available transitive reexport for ES modules

js/js.translator/testData/box/esModules/export/reexport.kt

@@ -0,0 +1,31 @@
+// IGNORE_FIR
+// DONT_TARGET_EXACT_BACKEND: JS
+// ES_MODULES
+// EXPECTED_REACHABLE_NODES: 1283
+
+// MODULE: lib1
+// FILE: lib1.kt
+@JsExport
+fun bar() = "O"
+
+// MODULE: lib2(lib1)
+// FILE: lib2.kt
+
+@JsExport
+fun baz() = "K"
+
+// MODULE: main(lib2)
+// FILE: main.kt
+
+@JsExport
+fun result(o: String, k: String) = o + k
+
+// FILE: entry.mjs
+// ENTRY_ES_MODULE
+import { bar, baz, result } from "./reexport_v5.mjs";
+
+export function box() {
+    const o = bar();
+    const k = baz();
+    return result(o, k);
+}