Fix initialization order

* put inheritance code in the beginning
 * put top-level initializer after any declaration

js/js.translator/testData/box/inheritance/prototypeOrder.kt

@@ -0,0 +1,14 @@
+// EXPECTED_REACHABLE_NODES: 1117
+package foo
+
+class C: B()
+open class B: A()
+open class A
+
+fun box(): String {
+    val c = C()
+
+    if (c !is A) return "FAIL"
+
+    return "OK"
+}