pr: adding pr count to user pull request tables fixes #4160

rhodecode/templates/admin/my_account/my_account_pullrequests.html

@@ -12,7 +12,7 b''
 
 <div class="panel panel-default">
   <div class="panel-heading">
-    <h3 class="panel-title">${_('Pull Requests You Opened')}</h3>
+    <h3 class="panel-title">${_('Pull Requests You Opened')}: ${len(c.my_pull_requests)}</h3>
   </div>
   <div class="panel-body">
     <div class="pullrequestlist">
@@ -75,7 +75,7 b''
 
 <div class="panel panel-default">
   <div class="panel-heading">
-    <h3 class="panel-title">${_('Pull Requests You Participate In')}</h3>
+    <h3 class="panel-title">${_('Pull Requests You Participate In')}: ${len(c.participate_in_pull_requests)}</h3>
   </div>
 
   <div class="panel-body">