[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.*}

找到已禁用的字典中的字典 Java 集成测试，并先阅读相关的嵌套字典集成 issues。运行相关的集成测试套件，以确定当前的跳过行为；完成的标准是测试已启用，并且 Java 实现通过测试。

由索引模型根据 Issue 内容生成。