Please note that Sitefinity uses IContentLocatableView
interface implemented on the out of the box content widgets in order to track their locations on different pages. This interface powers the Search indexing and the correct resolving of the links in it. It tells Sitefinity where the specified type of content is placed on the site and properly displays the links in the search results. So, the indexed items will appear in the search results with the links to the pages where they are rendered in Sitefinity.
What i assume is that when the item is clicked then the rewrite rule you have implemented should be applied and the user should be redirected to this url.
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