Added bookmarked-score to enable boosting of bookmarked items (#21171)

* Added bookmarked-score to enable boosting of bookmarked items

* Collection Search Query doesn't error with bookmark left join

* adjust collection id AS in base query

* Set proper bookmark status in collection for search tests

* Actually score bookmarks when bookmarked

* Added a bookmark scoring test

* Remove old todo since it does work. (yay)