[JS IR BE] Support enumValues<T>() and enumValueOf<T>(name)

js/js.translator/testData/box/enum/standardFunctions.kt

@@ -0,0 +1,18 @@
+// EXPECTED_REACHABLE_NODES: 1555
+package foo
+
+enum class EmptyEnum
+
+enum class A {
+    a() {
+    },
+    b(),
+    c
+}
+
+fun box(): String {
+    if (enumValues<EmptyEnum>().size != 0) return "enumValues<EmptyEnum>().size != 0"
+    if (enumValues<A>().asList() != listOf(A.a, A.b, A.c)) return "Wrong enumValues<A>(): " + enumValues<A>().toString()
+    if (enumValueOf<A>("b") != A.b) return "enumValueOf<A>('b') != A.b"
+    return "OK"
+}