Specify the fields to fetch in the record link array

[obeis]

Thank you for submitting this pull request! We really appreciate you spending the time to work on these changes.

What is the motivation?

see #3590

What does this change do?

Allow specify the fields to fetch in the record link array

What is your testing strategy?

I tested it manually

Is this related to any issues?

Closes #3590

Does this change need documentation?

• Documentation: Specify the fields to fetch in the record link array docs.surrealdb.com#582

Have you read the Contributing Guidelines?

• I have read the Contributing Guidelines

[tobiemh]

I'm going to close this pull request, as the problem can now be solved by using idiom de-structuring (#4443) which will be available in SurrealDB 2.0:

SELECT
    id,
    title,
    slug,
    tags.{
        title, 
        slug, 
        color
    },
    datePublished
FROM article;