add default pm project statistics

app/controllers/api/pm/projects_controller.rb

@@ -36,7 +36,7 @@ class Api::Pm::ProjectsController < Api::Pm::BaseController
     type_status = @issues.group(:pm_issue_type,:status_id).count
     type_status_data = {}
     IssueStatus.all.map do |e|
-      type_count_data.keys.map{ |type|
+      [1,2,3].map{ |type|
         type_status_data[type] = {} if type_status_data[type].nil?
         if type_status[[type,e.id]].nil?
           type_status_data[type][e.id] = 0