[FEATURE] use displayType for rendering selection of product variants

[webisdead]

Description

In the SW6 Admin there's the option "Value display type" on product properties whose selection results in a different view of the variant selection on a detail page. Shopware-pwa only renders a dropdown.

Admin:

Shopware default Frontend:

Things to know

shopware-pwa already gets the information about displayType via getOptionGroups in useProductConfigurator.

Acceptance criteria

• [ value "text" will get rendered as clickable element ]
• [ product variant changes when clicking the element ]
• [ a selected state is visible ]
• [ optional: all other values "colour" and "image" get rendered ]