JVM IR: Handle overloaded values functions in MappedEnumWhenLowering

Fixes KT-46579.

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

@@ -0,0 +1,18 @@
+// TARGET_BACKEND: JVM
+// IGNORE_BACKEND_FIR: JVM_IR
+// FILE: E.java
+public enum E {
+    A();
+    public static void values(boolean b) {
+    }
+}
+
+// FILE: test.kt
+
+fun f(e: E) = when (e) {
+    E.A -> "OK"
+}
+
+fun box(): String {
+    return f(E.A)
+}