fix(Matches): Correctly match Booleans: GET converts them to 0 and 1

[arthurkirkosa]

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[what-the-diff]

PR Summary

• Enhancement to MatchFilter
  The MatchFilter has been improved by altering the way it treats '0' and 'false'. Now it regards '0' as a falsy value, similar to 'false'.

• Introduction of New Test Method
  A new test method named test_can_match_boolean has been incorporated. This helps validate the process of filtering based on a boolean field is_active in our PostRepository.

• Upgraded PostRepository
  The PostRepository has been augmented by adding an extra condition for matching is_active as a boolean filter. This has been added to the $match array, increasing our filtering options.

• Expanded PostRepository Fields
  The fields() method of our PostRepository is now richer with the addition of is_active field to the returned fields.

• Consistence in Instantiation
  The procedure for creating instances of actions and getters in the PostRepository has been updated for consistency. We now use parentheses throughout the process.