Add target components logic into HierarchicalPipeline

[brsnw250]

Before submitting (must do checklist)

• Did you read the contribution guide?
• Did you update the docs? We use Numpy format for all the methods and classes.
• Did you write any new necessary tests?
• Did you update the CHANGELOG?

Proposed Changes

Closing issues

closes #1170

[codecov-commenter]

Codecov Report

Merging #1199 (7446339) into master (e9d112b) will decrease coverage by 0.27%.
The diff coverage is 85.00%.

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@@            Coverage Diff             @@
##           master    #1199      +/-   ##
==========================================
- Coverage   87.83%   87.57%   -0.27%     
==========================================
  Files         186      175      -11     
  Lines       10562    10268     -294     
==========================================
- Hits         9277     8992     -285     
+ Misses       1285     1276       -9     

Impacted Files	Coverage Δ
etna/pipeline/hierarchical_pipeline.py	94.68% <84.21%> (-2.79%)	⬇️
etna/pipeline/mixins.py	99.02% <100.00%> (ø)

... and 17 files with indirect coverage changes

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[github-actions]

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