Include user relationship when retrieving award_emoji

Avoiding N+1 when showing grouped awards and when 
calculating participants for awardable entities

CHANGELOG

@@ -90,6 +90,7 @@ v 8.9.0 (unreleased)
   - Horizontally scrolling navigation on project, group, and profile settings pages
   - Hide global side navigation by default
   - Remove tanuki logo from side navigation; center on top nav
+  - Include user relationships when retrieving award_emoji
 
 v 8.8.5 (unreleased)
   - Ensure branch cleanup regardless of whether the GitHub import process succeeds

app/models/concerns/awardable.rb

@@ -5,7 +5,7 @@ module Awardable
     has_many :award_emoji, as: :awardable, dependent: :destroy
 
     if self < Participable
-      participant :award_emoji
+      participant :award_emoji_with_associations
     end
   end
 
@@ -34,8 +34,12 @@ module Awardable
     end
   end
 
+  def award_emoji_with_associations
+    award_emoji.includes(:user)
+  end
+
   def grouped_awards(with_thumbs: true)
-    awards = award_emoji.group_by(&:name)
+    awards = award_emoji_with_associations.group_by(&:name)
 
     if with_thumbs
       awards[AwardEmoji::UPVOTE_NAME]   ||= []