chore: BreadcrumbList item using full store page URLs

[lucasfp13]

What's the purpose of this pull request?

This PR intends to set item as full store's page URL (PLP and PDP) for BreadcrumbList's� item list elements.

How it works?

The collection and product data is built in @faststore/api. The breadcrumList attribute consists of item, name and position. The item is the pathname of that specific page, so it is in the relative path form.

We should use URL's absolute path, so we have to prepend the storeUrl (production domain) to a correct structured data.

How to test it?

• Get the preview URL, inspect the page and look for BreadcrumList;
• Copy the generated script and perform the Google Rich Test to validate the schema: https://search.google.com/test/rich-results.

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