fix(rating): fixed rating in onpush components

[valorkin]

PR Checklist

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• read and followed the CONTRIBUTING.md guide.
• built and tested the changes locally.
• added/updated tests.
• added/updated API documentation.
• added/updated demos.

[YevheniiaMazur]

Tested, demo looks good. Needs fixing test:

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (development@b28838a). Click here to learn what that means.
The diff coverage is n/a.

@@              Coverage Diff               @@
##             development    #2943   +/-   ##
==============================================
  Coverage               ?   70.69%           
==============================================
  Files                  ?      137           
  Lines                  ?     4174           
  Branches               ?      739           
==============================================
  Hits                   ?     2951           
  Misses                 ?      916           
  Partials               ?      307

Impacted Files	Coverage Δ
src/rating/rating.component.ts	68.33% <ø> (ø)

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