Refactor/transformer masking

[dennisbader]

Checklist before merging this PR:

• Mentioned all issues that this PR fixes or addresses.
• Summarized the updates of this PR under Summary.
• Added an entry under Unreleased in the Changelog.

Fixes #2398

Summary

• Significant speed ups for all DataTransformers when using a large number of time series: The component masking logic was moved into the parallelized transform methods.

[codecov]

Codecov Report

Attention: Patch coverage is 97.40260% with 2 lines in your changes missing coverage. Please review.

Project coverage is 93.75%. Comparing base (a4ed8b1) to head (9290757).

❗ Current head 9290757 differs from pull request most recent head 1d996ed

Please upload reports for the commit 1d996ed to get more accurate results.

Files	Patch %	Lines
...taprocessing/transformers/base_data_transformer.py	96.72%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2401      +/-   ##
==========================================
- Coverage   93.75%   93.75%   -0.01%     
==========================================
  Files         138      138              
  Lines       14355    14370      +15     
==========================================
+ Hits        13459    13473      +14     
- Misses        896      897       +1     

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