Add projects list sort dropdown to group page

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/controllers/groups_controller.rb

 class GroupsController < Groups::ApplicationController
+  include FilterProjects
   include IssuesAction
   include MergeRequestsAction
 
@@ -41,7 +42,8 @@ class GroupsController < Groups::ApplicationController
   def show
     @last_push = current_user.recent_push if current_user
     @projects = @projects.includes(:namespace)
-    @projects = @projects.search(params[:filter_projects]) if params[:filter_projects].present?
+    @projects = filter_projects(@projects)
+    @projects = @projects.sort(@sort = params[:sort])
     @projects = @projects.page(params[:page]).per(PER_PAGE) if params[:filter_projects].blank?
 
     respond_to do |format|
@@ -98,7 +100,7 @@ class GroupsController < Groups::ApplicationController
   end
 
   def load_projects
-    @projects ||= ProjectsFinder.new.execute(current_user, group: group).sorted_by_activity.non_archived
+    @projects ||= ProjectsFinder.new.execute(current_user, group: group).sorted_by_activity
   end
 
   # Dont allow unauthorized access to group

app/views/groups/_projects.html.haml

@@ -3,6 +3,7 @@
     = form_tag request.original_url, method: :get, class: 'project-filter-form', id: 'project-filter-form' do |f|
       - if @projects.present?
         = search_field_tag :filter_projects, nil, placeholder: 'Filter by name', class: 'projects-list-filter form-control', spellcheck: false
+    = render 'shared/projects/dropdown'
     - if can? current_user, :create_projects, @group
       = link_to new_project_path(namespace_id: @group.id), class: 'btn btn-new pull-right' do
         = icon('plus')