username truncation functionality added

src/templates/apps/dashboard/list.html

@@ -1,4 +1,5 @@
 {% extends "core/base.html" %}
+{% load lyric_extras %}
 
 {% block title_text %}Your to-do list{% endblock title_text %}
 {% block header_text %}Your to-do list{% endblock header_text %}
@@ -12,7 +13,7 @@
 {% block content %}
     <div class="row justify-content-center">
         <div class="col-lg-6">
-            <small>List created by: <span id="id_list_owner">{{ list.owner.email }}</span></small>
+            <small>List created by: <span id="id_list_owner">{{ list.owner|display_name }}</span></small>
             <table id="id_list_table" class="table">
                 {% for item in list.item_set.all %}
                     <tr><td>{{ forloop.counter }}. {{ item.text }}</td></tr>
@@ -44,7 +45,7 @@
             </form>
             <small>List shared with:
                 {% for user in list.shared_with.all %}
-                    <span class="list-recipient">{{ user.email }}</span>
+                    <span class="list-recipient">{{ user|display_name }}</span>
                 {% endfor %}
             </small>
         </div>