Add/remove build from favorites

Actors

User, Admin

Scenario

1. The user opens the completed builds page, opens the details popup for a build

2. The user can click on the "ADD TO FAVORITES" button to toggle whether the build is favorited or not

   SELECT 1
   FROM favorite_build
   WHERE user_id = $userId AND build_id = $buildId
   LIMIT 1;
   
   -- if favorite 
   DELETE FROM favorite_build
   WHERE user_id = $userId AND build_id = $buildId;
   
   -- if NOT favorite
   INSERT INTO favorite_build (user_id, build_id)
   VALUES ($userId, $buildId);