JS: fix inlining of functions derived from other modules

See KT-16408

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

@@ -0,0 +1,15 @@
+// EXPECTED_REACHABLE_NODES: 996
+// MODULE: lib
+// FILE: lib1.kt
+open class Parent {
+    inline fun b() = c()
+}
+
+// FILE: lib2.kt
+fun c() = "OK"
+
+// MODULE: main(lib)
+// FILE: main.kt
+class Child : Parent()
+
+fun box() = Child().b()