Update app/serializers/user_classification_counts_serializer.rb

Co-authored-by: Zach Wolfenbarger <zach.wolfenbarger@gmail.com>

app/serializers/user_classification_counts_serializer.rb

@@ -61,7 +61,7 @@ def project_contributions(order_by)
 
     if order_project_contributions_by_recents?(order_by)
       period_to_contributed_project_ids = @user_classification_counts.sort_by(&:period).reverse.group_by(&:period).transform_values do |uccs|
-        uccs.map { |ucc| ucc.project_id}
+        uccs.map(&:project_id)
       end
       recently_contributed_project_ids = period_to_contributed_project_ids.values.flatten.uniq
       recently_contributed_project_ids.map { |project_id| { project_id: , count: project_contributions[project_id] } }