[Java] Enable integration tests for dictionaries-within-dictionaries

The integration test is implemented but currently disabled for all implementations

**Reporter**: [Wes McKinney](https://issues.apache.org/jira/browse/ARROW-7779) / @wesm
#### Related issues:
- [[C++] Support nested dictionaries in JSON integration format](https://github.com/apache/arrow/issues/24012) (is a parent of)
- [[Integration] Unskip nested dictionary integration tests](https://github.com/apache/arrow/issues/24125) (is related to)

_{**Note**: *This issue was originally created as [ARROW-7779](https://issues.apache.org/jira/browse/ARROW-7779). Please see the [migration documentation](https://github.com/apache/arrow/issues/14542) for further details.*}

找到已停用的字典中的字典 Java 整合測試，並先閱讀相關的巢狀字典整合 issues。執行相關的整合測試套件，以確認目前的跳過行為；完成的條件是測試已啟用，且 Java 實作通過測試。

由索引模型根據 Issue 內容生成。