[AMORO-2165] Struct correct partition aliases from table schema (#2166)

* partition field name struct issue

* spotless

---------

Co-authored-by: ZhouJinsong <zhoujinsong0505@163.com>

core/src/main/java/com/netease/arctic/utils/ArcticDataFiles.java

@@ -143,21 +143,7 @@ public static GenericRecord data(PartitionSpec spec, String partitionPath) {
   private static GenericRecord genericRecord(PartitionSpec spec) {
     List<String> collect =
         spec.fields().stream()
-            .map(
-                s -> {
-                  if (s.transform().toString().equals("identity")) {
-                    return s.name();
-                  } else if (s.name().endsWith("_" + s.transform().toString())) {
-                    return s.name()
-                        .substring(0, s.name().lastIndexOf("_" + s.transform().toString()));
-                  } else if (s.transform().toString().contains("bucket")) {
-                    return s.name().substring(0, s.name().lastIndexOf("_bucket"));
-                  } else if (s.transform().toString().contains("truncate")) {
-                    return s.name().substring(0, s.name().lastIndexOf("_trunc"));
-                  } else {
-                    return s.name();
-                  }
-                })
+            .map(s -> spec.schema().findColumnName(s.sourceId()))
             .collect(Collectors.toList());
     return GenericRecord.create(spec.schema().select(collect));
   }