Returns created todos to control rather than re-query

app/controllers/projects/todos_controller.rb

 class Projects::TodosController < Projects::ApplicationController
   def create
-    TodoService.new.mark_todo(issuable, current_user)
+    todos = TodoService.new.mark_todo(issuable, current_user)
 
     render json: {
-      todo: current_user.todos.find_by(state: :pending, action: Todo::MARKED, target_id: issuable.id),
+      todo: todos,
       count: current_user.todos.pending.count,
     }
   end

app/services/todo_service.rb

@@ -148,7 +148,7 @@ class TodoService
   private
 
   def create_todos(users, attributes)
-    Array(users).each do |user|
+    Array(users).map do |user|
       next if pending_todos(user, attributes).exists?
       Todo.create(attributes.merge(user_id: user.id))
     end

app/views/layouts/header/_default.html.haml

@@ -27,7 +27,7 @@
             %li
               = link_to dashboard_todos_path, title: 'Todos', data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
                 = icon('bell fw')
-                %span.badge.todos-pending-count{ class: ("hidden" if todos_pending_count == 0)}
+                %span.badge.todos-pending-count{ class: ("hidden" if todos_pending_count == 0) }
                   = todos_pending_count
             - if current_user.can_create_project?
               %li