新增：父工作项列表查询类型

app/controllers/api/pm/issues_controller.rb

@@ -44,6 +44,7 @@ class Api::Pm::IssuesController < Api::Pm::BaseController
     @issues = Issue.where(pm_project_id: params[:pm_project_id])
                    .where.not(id: @issue.id)
                    .where.not(id: Issue.full_children_issues(@issue).map{|i|i.id}) 
+    @issues = @issues.where(pm_issue_type: params[:pm_issue_type]) if params[:pm_issue_type].present?
     if params[:only_name].present?
       @issues = kaminary_select_paginate(
         @issues.select(:id, :subject, :project_issues_index, :updated_on, :created_on))