feat(timestamp): enhance RecordBinder to support TIMESTAMP and TIME types in union handling (#2981)

* feat(timestamp): enhance RecordBinder to support TIMESTAMP and TIME types in union handling

* test(avro): add missing import for AvroRecordBinderTest

Author: Gezi-lzq

core/src/main/java/kafka/automq/table/binder/RecordBinder.java

@@ -156,7 +156,10 @@ private FieldMapping createOptimizedMapping(String avroFieldName, int avroPositi
             nestedSchema = icebergType.asStructType().asSchema();
             nestedSchemaId = icebergType.toString();
         }
-        if (Type.TypeID.MAP.equals(icebergType.typeId()) || Type.TypeID.LIST.equals(icebergType.typeId())) {
+        if (Type.TypeID.TIMESTAMP.equals(icebergType.typeId())
+            || Type.TypeID.TIME.equals(icebergType.typeId())
+            || Type.TypeID.MAP.equals(icebergType.typeId())
+            || Type.TypeID.LIST.equals(icebergType.typeId())) {
             avroType = resolveUnionElement(avroType);
         }
         return new FieldMapping(avroPosition, avroFieldName, icebergType, icebergType.typeId(), avroType, nestedSchema, nestedSchemaId);