新增：合并请求列表返回关联issue数据

app/views/pull_requests/index.json.jbuilder

@@ -38,6 +38,9 @@ json.issues do
     json.version issue.version.try(:name)
     json.journals_count issue.get_journals_size
     json.issue_tags issue.get_issue_tags
+    json.attached_issues pr.attached_issues.each do |issue|
+      json.(issue, :id, :subject, :project_issues_index)
+    end    
   end
 end
 

app/views/pull_requests/show.json.jbuilder

@@ -52,7 +52,7 @@ json.issue do
 end
 
 json.attached_issues @pull_request.attached_issues.each do |issue|
-  json.(issue, :id,:subject)
+  json.(issue, :id, :subject, :project_issues_index)
 end
 
 json.conflict_files @pull_request.conflict_files