[JS IR & WASM] Fix executing init blocks for enums with nested objects

compiler/testData/codegen/box/enum/initEnumAfterObjectAccessJsAndWasm.kt

@@ -0,0 +1,22 @@
+// TARGET_BACKEND: JS
+// TARGET_BACKEND: JS_IR
+// TARGET_BACKEND: JS_IR_ES6
+// TARGET_BACKEND: WASM
+
+var l = ""
+enum class Foo {
+    F;
+    init {
+        l += "Foo;"
+    }
+    object L {
+        init {
+            l += "Foo.CO;"
+        }
+    }
+}
+
+fun box(): String {
+    Foo.L
+    return if (l != "Foo;Foo.CO;") "FAIL: ${l}" else "OK"
+}