Apply facets filters directly into the ES query and support and/or across different facet types

[felipeelia]

Description of the Change

After #3044 made the ep_post_filters filter available, this PR applies selected facet filters directly into the ES query, that way:

1. We can apply the and/or logic only on the facet filters
2. In an "OR" scenario, people can still code a required meta or taxonomy and apply the or logic only in the facets. For example, navigating in Tax A Term A archive, people want to get posts with Meta A or Tax B Term A. The current codebase would wrap everything in the same logic and bring posts that do not have Tax A Term A in it (but do have Meta A, for example.)

Closes #2970

How to test the Change

Changelog Entry

Changed - Facets filters are not applied in the WP Query level anymore

Credits

Props @felipeelia

Checklist:

• I agree to follow this project's Code of Conduct.
• I have updated the documentation accordingly.
• I have added tests to cover my change.
• All new and existing tests pass.