[Type] Enhancement : post higher priority in link search results

[kartikmehta8]

What?

This PR updates the sortResults function in the link suggestions feature to prioritize pages and posts above attachments in search results.

Why?

Attachments were being surfaced higher in search results than posts matching the search requirements. This change ensures that pages and posts are prioritized in the search results, which is more likely to be the desired outcome for users.

How?

The sortResults function has been updated to add a score increment for results that are of kind post-type and type post or page. This adjustment ensures that these types of results are prioritized above others, such as attachments.

Testing Instructions

1. Open a post or page.
2. Use the link control to search for content.
3. Observe that pages and posts are prioritized in the search results over attachments.

Testing Instructions for Keyboard

1. Open a post or page using keyboard navigation.
2. Use the link control to search for content using keyboard navigation.
3. Ensure that pages and posts are prioritized in the search results over attachments.

Issue

• Give posts (any type) higher priority in link search results #63683

Screenshots or screencast

N/A

[github-actions]

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Co-authored-by: talldan <talldanwp@git.wordpress.org>
Co-authored-by: noisysocks <noisysocks@git.wordpress.org>

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[github-actions]

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[talldan]

I think @noisysocks worked on this recently, so might have some thoughts. Hope you don't mind that I added you as a reviewer, Rob!

[noisysocks]

Hey thanks for the PR!

I haven't tested it but I suspect this approach will cause a regression of #56478 if there are more than 20 posts or pages on the site containing the search term. This is because all twenty of those posts and pages will receive a score of 1 (the base score this PR adds) regardless of their relevancy and crowd out any categories and tags even if they are an exact match (score = 1).

We want to prioritise posts and pages but not so much that they crowd out attachments, tags, and categories that are very relevant to the search query.

How did you arrive at 1 as a base score for posts and pages? I expect the solution will be to change this to 0.5 or thereabouts. The exact number will need to be dialled in from testing with real data. The testing steps in #62397 describe how you can set yourself up with testing data that is good for working on this feature.