Preload email addresses for displaying avatars.

git-svn-id: http://svn.redmine.org/redmine/trunk@15624 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/issues_controller.rb

   end
 
   def show
-    @journals = @issue.journals.includes(:user, :details).
-                    references(:user, :details).
-                    reorder(:created_on, :id).to_a
+    @journals = @issue.journals.
+                  preload(:details).
+                  preload(:user => :email_address).
+                  reorder(:created_on, :id).to_a
     @journals.each_with_index {|j,i| j.indice = i+1}
     @journals.reject!(&:private_notes?) unless User.current.allowed_to?(:view_private_notes, @issue.project)
     Journal.preload_journals_details_custom_fields(@journals)

app/helpers/watchers_helper.rb

   def watchers_list(object)
     remove_allowed = User.current.allowed_to?("delete_#{object.class.name.underscore}_watchers".to_sym, object.project)
     content = ''.html_safe
-    lis = object.watcher_users.collect do |user|
+    lis = object.watcher_users.preload(:email_address).collect do |user|
       s = ''.html_safe
       s << avatar(user, :size => "16").to_s
       s << link_to_user(user, :class => 'user')