chore: client-only SearchInterface on collection page

[LeoniePeters]

• Two new env vars:
  • APP_SEARCH_COLLECTIONS_CLIENT_ONLY: Search for related items on the collections pages client-side only. If not enabled, items will be searched for server-side too.
  • APP_SEARCH_COLLECTIONS_DO_NOT_TRANSLATE: Prevent translation of search results, i.e. related items, on the collections pages, even for the locales set in APP_SEARCH_TRANSLATE_LOCALES.
• SearchInterface has a new prop, doNotTranslate, which will prevent search translation from running even in the configured locales, and which CollectionPage will pass in based on APP_SEARCH_COLLECTIONS_DO_NOT_TRANSLATE env var
• In search plugin, stop looking at app config for translation, and instead just look at supplied options, for translateLang param, which SearchInterface now supplies
• Fix bug where search queries for facets would not include translation params, resulting in the number of items for the filter being out of sync with the number in the search results
  • NOTE: this fix is going to result in more translations being requested of the API...

[github-actions]

Preview deployment: https://pr-2041.portal-js.dev.eanadev.org/

[sonarcloud]

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