[scala api] Moves TraversableType behind the CaseClassType in the TypeAnalyzer priority

flink-scala/src/main/scala/org/apache/flink/api/scala/codegen/TypeAnalyzer.scala

@@ -65,8 +65,6 @@ private[flink] trait TypeAnalyzer[C <: Context] { this: MacroContextHolder[C]
 
           case NothingType() => NothingDesciptor(id, tpe)
 
-          case TraversableType(elemTpe) => analyzeTraversable(id, tpe, elemTpe)
-
           case EitherType(leftTpe, rightTpe) => analyzeEither(id, tpe, leftTpe, rightTpe)
 
           case TryType(elemTpe) => analyzeTry(id, tpe, elemTpe)
@@ -75,6 +73,8 @@ private[flink] trait TypeAnalyzer[C <: Context] { this: MacroContextHolder[C]
 
           case CaseClassType() => analyzeCaseClass(id, tpe)
 
+          case TraversableType(elemTpe) => analyzeTraversable(id, tpe, elemTpe)
+
           case ValueType() => ValueDescriptor(id, tpe)
 
           case WritableType() => WritableDescriptor(id, tpe)