Sound event tag filter for annotation mode

[vogelbam]

I've added the option to filter annotation tasks by sound event tags while annotating. This is beneficial if one wants to review all tags of a certain class, e.g., a specific bat species.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 33.33333% with 8 lines in your changes missing coverage. Please review.

Project coverage is 59.82%. Comparing base (515ba06) to head (9d66631).

Files	Patch %	Lines
back/src/whombat/filters/annotation_tasks.py	33.33%	8 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #24 +/- ## ========================================== - Coverage 59.86% 59.82% -0.05% ========================================== Files 171 171 Lines 7624 7636 +12 ========================================== + Hits 4564 4568 +4 - Misses 3060 3068 +8 ```

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