Object mailing restructred

* restructures object info mail sending

templates/email/sharing/shared_access_removed.html

@@ -2,7 +2,7 @@
 
 <div>
     <h2>{% trans 'Shared access removed' %}</h2>
-    <h4>{{obj_identifier}}</h4>
+    <h4>{{obj.identifier}}</h4>
     <hr>
     <article>
         {% trans 'Hello ' %} {{user.username}},
@@ -10,9 +10,9 @@
         <br>
         {% trans 'your shared access, including editing, has been revoked for the dataset ' %}
         <br>
-        <strong>{{obj_identifier}}</strong>
+        <strong>{{obj.identifier}}</strong>
         <br>
-        <strong>"{{obj_title}}"</strong>
+        <strong>"{{obj.title}}"</strong>
         <br>
         <br>
         {% trans 'This entry is located in' %}