Fix for KT-11964: No TABLESWITCH in when on enum bytecode if enum constant is imported

#KT-11964 Fixed

compiler/testData/codegen/bytecodeText/whenEnumOptimization/importedEnumEntry.kt

@@ -0,0 +1,13 @@
+import Color.RED
+
+enum class Color { RED, GREEN, BLUE }
+
+fun fifth(arg: Color) = when (arg) {
+    RED -> 1
+    Color.GREEN -> 2
+    Color.BLUE -> 3
+}
+
+
+// 1 TABLESWITCH
+// 0 LOOKUPSWITCH

compiler/testData/diagnostics/tests/when/When.kt

@@ -26,7 +26,7 @@ fun test() {
 
   when (x) {
     <!INCOMPATIBLE_TYPES!>s<!> -> <!UNUSED_EXPRESSION!>1<!>
-    <!INCOMPATIBLE_TYPES!>""<!> -> <!UNUSED_EXPRESSION!>1<!>
+    <!INCOMPATIBLE_TYPES, DUPLICATE_LABEL_IN_WHEN!>""<!> -> <!UNUSED_EXPRESSION!>1<!>
     x -> <!UNUSED_EXPRESSION!>1<!>
     1 -> <!UNUSED_EXPRESSION!>1<!>
   }