Migrate `@daffodil/design` to use signal inputs

[xelaint]

Summary

https://angular.dev/reference/migrations/signal-inputs

Objectives

Migrate all usage of @Input() to input()

• @daffodil/design/accordion
• @daffodil/design/article
• @daffodil/design/assets
• @daffodil/design/breadcrumb
• @daffodil/design/button
• @daffodil/design/callout
• @daffodil/design/card
• @daffodil/design/checkbox
• @daffodil/design/container
• @daffodil/design/form
• @daffodil/design/form-field
• @daffodil/design/guides
• @daffodil/design/hero
• @daffodil/design/image
• @daffodil/design/input
• @daffodil/design/link-set
• @daffodil/design/list
• @daffodil/design/loading-icon
• @daffodil/design/media-gallery
• @daffodil/design/menu
• @daffodil/design/modal
• @daffodil/design/navbar
• @daffodil/design/notification
• @daffodil/design/paginator
• @daffodil/design/progress-bar
• @daffodil/design/quantity-field
• @daffodil/design/radio
• @daffodil/design/spinner
• @daffodil/design/select
• @daffodil/design/sidebar
• @daffodil/design/switch
• @daffodil/design/tabs
• @daffodil/design/text-snippet
• @daffodil/design/textarea
• @daffodil/design/toast
• @daffodil/design/tree

[damienwebdev]

We will need to block the first merge on any of these for us to guarantee that component docs document inputs / outputs correctly in daff.io. i.e. https://next.daff.io/docs/design/components/tree?tab=api-tab

Blocked by #4366

[griest024]

there is an automated migration to do this as well: https://angular.dev/reference/migrations/signal-inputs