[JVM] Lower .entries calls on Kotlin enums

Leveraging the same mechanism with $EntriesMapping as Java enums.
Old (compiled with LV/AV < 1.8) enums are detected by looking for
static special <get-entries> method that cannot be introduced on
Kotlin enums otherwise

#KT-53236

compiler/testData/cli/jvm/enumEntriesForJavaNotEnabled.out

@@ -0,0 +1,4 @@
+compiler/testData/cli/jvm/enumEntriesForJavaNotEnabled.kt:4:49: error: unresolved reference: entries
+    val entries = java.util.concurrent.TimeUnit.entries
+                                                ^
+COMPILATION_ERROR