feat(sfra): category pages

[sbellone]

Implement Category Pages using the categoryPageId added in #206.

This is done by adding a filters on the InstantSearch configuration (doc)

For categories pages, the hierarchicalMenu are not displayed anymore. This is on purpose, a category page is a standalone page of a single category.

Changes

• Pass the categoryId to the enableInstantSearch options
  • add a filters on categoryPageId when the categoryId is present
  • add the hierarchical menus otherwise (if we are on the search results page)
• Remove the breadcrumb widget. The category title not be updated by InstantSearch anymore, it will be updated when the user browses another category

How to test

• Reindex products using the latest version from develop, to have the categoryPageId in the records
• Browse categories using the top menu

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SFCC-407