[sections 2 fields] refact: List fields

[distantnative]

Description

This branch/PR serves as collection of all approved PR steps for our sections to fields migration. We gather all the changelog entries etc. here until we merge this whole PR into v6/develop - then we copy the changelog over to the release notes.

TODOs

• feat: Rename files, pages and users fields to filepicker, pagepicker and userpicker #8382
• refact!: Remove Blueprint presets #8386
• refact: Move all normalisation logic into a normalizer class #8387
• Blueprint: translate sections into fields (see [sections 2 fields] stack

Changelog

🎉 Features

• New filelist field which lists the files of a page (replacement for files section)
• New pagelist field which lists the children of a page, like the pages section does

✨ Enhancements

• Canonical type names for all fields: pagelist, pagepicker, filelist, filepicker and userpicker. files, pages and users fields are now aliases.

🐛 Bug fixes

• Fields without a value no longer break saving

♻️ Refactored

• The Panel components of the filelist and pagelist fields now share a base component

☠️ Deprecated

• The aliases files, pages and users for the picker fields are deprecated and will be removed in the next major release.

🚨 Breaking changes

• The renamed filepicker, pagepicker and userpicker fields now use the full name for their CSS classes (k-filepicker-field, k-pagepicker-field, k-userpicker-field)

Docs

filelist field

fields:
  gallery:
    type: filelist
    layout: cards
    template: image
    search: true
    batch: true

pagelist field

The field works like the pages section, but as a field:

fields:
  articles:
    type: pagelist
    layout: table
    status: listed
    templates: article
    search: true
    batch: true

Options: batch, columns, create, empty, flip, image, info, layout, limit, max, min, page, parent, query, search, size, sortable, sortBy, status, template, templates, templatesIgnore, text — plus when and width, which sections cannot do.

For review team

• Add lab and/or sandbox examples (wherever helpful)
  • on feat/v6 sandbox branch
• Add changes & docs to release notes draft in Notion