Set label name with parents to avoid duplicates for AstypeAnnotations

[sooahleex]

Summary

• Except nan for label
• Set label name with parents to avoid duplicate name for AstypeAnnotations

  How to test

• Add unit test when tabular dataset included missing value
• Add unit test for AstypeAnnotations when label value is nan

Checklist

• [X] I have added unit tests to cover my changes.​
• [ ] I have added integration tests to cover my changes.​
• [X] I have added the description of my changes into CHANGELOG.​
• [ ] I have updated the documentation accordingly

License

• [ ] I submit my code changes under the same MIT License that covers the project. Feel free to contact the maintainers if that's a concern.
• [ ] I have updated the license header for each file (see an example below).

# Copyright (C) 2024 Intel Corporation
#
# SPDX-License-Identifier: MIT

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 80.62%. Comparing base (44cc56a) to head (4042077). Report is 58 commits behind head on develop.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #1492 +/- ## =========================================== - Coverage 80.85% 80.62% -0.24% =========================================== Files 271 276 +5 Lines 30689 31369 +680 Branches 6197 6313 +116 =========================================== + Hits 24815 25291 +476 - Misses 4489 4663 +174 - Partials 1385 1415 +30 ``` | [Flag](https://app.codecov.io/gh/openvinotoolkit/datumaro/pull/1492/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=openvinotoolkit) | Coverage Δ | | |---|---|---| | [ubuntu-20.04_Python-3.10](https://app.codecov.io/gh/openvinotoolkit/datumaro/pull/1492/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=openvinotoolkit) | `80.62% <100.00%> (-0.22%)` | :arrow_down: | | [windows-2022_Python-3.10](https://app.codecov.io/gh/openvinotoolkit/datumaro/pull/1492/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=openvinotoolkit) | `?` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=openvinotoolkit#carryforward-flags-in-the-pull-request-comment) to find out more.

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