Fixed names for terms of Scala 3 enumerations used ADT leaf class name mapper to be full names

Author: plokhotnyuk

jsoniter-scala-macros/shared/src/main/scala-3/com/github/plokhotnyuk/jsoniter_scala/macros/JsonCodecMaker.scala

@@ -1538,11 +1538,7 @@ object JsonCodecMaker {
           namedValueOpt(named.headOption, tpe).get
         } else cfg.adtLeafClassNameMapper({
           if (tpe =:= TypeRepr.of[None.type]) "scala.None"
-          else if (isEnum) {
-            tpe match
-              case TermRef(_, name) => name
-              case _ => fail(s"Unsupported enum type: '${tpe.show}', tree=$tpe")
-          } else if (tpe.typeSymbol.flags.is(Flags.Module)) tpe.termSymbol.fullName
+          else if (isEnum || tpe.typeSymbol.flags.is(Flags.Module)) tpe.termSymbol.fullName
           else tpe.typeSymbol.fullName
         }).getOrElse(fail(s"Discriminator is not defined for ${tpe.show}"))
 

jsoniter-scala-macros/shared/src/test/scala-3/com/github/plokhotnyuk/jsoniter_scala/macros/JsonCodecMakerNewEnumSpec.scala

@@ -98,6 +98,10 @@ class JsonCodecMakerNewEnumSpec extends VerifyingSpec {
           case "Green" => "🟩"
         }).withDiscriminatorFieldName(None)),
         List(TrafficLight.Red, TrafficLight.Yellow, TrafficLight.Green), """["🟥","🟨","🟩"]""")
+      verifySerDeser(make[List[TrafficLight]](CodecMakerConfig
+        .withAdtLeafClassNameMapper(x => x).withDiscriminatorFieldName(None)),
+        List(TrafficLight.Red, TrafficLight.Yellow, TrafficLight.Green),
+        """["com.github.plokhotnyuk.jsoniter_scala.macros.TrafficLight$.Red","com.github.plokhotnyuk.jsoniter_scala.macros.TrafficLight$.Yellow","com.github.plokhotnyuk.jsoniter_scala.macros.TrafficLight$.Green"]""")
     }
     "serialize and deserialize Scala3 enums that extend java.lang.Enum" in {
       verifySerDeser(make[List[Java]],