Group people management: replace selectbox with ajax one.

app/controllers/groups_controller.rb

@@ -74,7 +74,7 @@ class GroupsController < ApplicationController
   end
   def team_members
-    @group.add_users_to_project_teams(params[:user_ids], params[:project_access])
+    @group.add_users_to_project_teams(params[:user_ids].split(','), params[:project_access])
     redirect_to people_group_path(@group), notice: 'Users were successfully added.'
   end

app/views/groups/_new_group_member.html.haml

@@ -5,7 +5,7 @@
     %h6 1. Choose people you want in the team
     .clearfix
       = f.label :user_ids, "People"
-      .input= select_tag(:user_ids, options_from_collection_for_select(User.active.alphabetically, :id, :name), {data: {placeholder: "Select users"}, class: "chosen xxlarge", multiple: true})
+      .input= users_select_tag(:user_ids, multiple: true)
     %h6 2. Set access level for them
     .clearfix

app/views/groups/_new_member.html.haml

@@ -5,7 +5,7 @@
     %h6 1. Choose people you want in the team
     .clearfix
       = f.label :user_ids, "People"
-      .input= select_tag(:user_ids, options_from_collection_for_select(User.not_in_project(@project).alphabetically, :id, :name), {data: {placeholder: "Select users"}, class: "chosen xxlarge", multiple: true})
+      .input= users_select_tag(:user_ids, multiple: true)
     %h6 2. Set access level for them
     .clearfix