feat(UI): Fallback to username where ever display name is shown

templates/users/details.html.tera

@@ -2,13 +2,17 @@
 {% import "macros" as macros %}
 
 {% block title %}
-{{ user.display_name }}
+{% if author.display_name %}
+    {% set name = author.display_name %}
+{% else %}
+    {% set name = user.username %}
+{% endif %}
 {% endblock title %}
 
 {% block content %}
     <div>
         <h1>
-            {{ user.display_name }}
+            {{ name }}
             {% if user.is_admin %}
                 <span class="badge">Admin</span>
             {% endif %}

templates/users/followers.html.tera

@@ -1,13 +1,19 @@
 {% extends "base" %}
 
 {% block title %}
-{{ user.display_name }}'s Followers
+{% if user.display_name %}
+    {% set name = user.display_name %}
+{% else %}
+    {% set name = user.username %}
+{% endif %}
+
+{{ name }}'s Followers
 {% endblock title %}
 
 {% block content %}
     <div>
         <h1>
-            {{ user.display_name }}
+            {{ name }}
             {% if user.is_admin %}
                 <span class="badge">Admin</span>
             {% endif %}
@@ -21,8 +27,13 @@
     <h2>Followers</h2>
     <div class="cards">
     {% for follower in followers %}
+        {% if follower.display_name %}
+            {% set follower_name = follower.display_name %}
+        {% else %}
+            {% set follower_name = follower.username %}
+        {% endif %}
         <div class="card">
-            <h3><a href="{{ follower.ap_url }}/">{{ follower.display_name }}</a> &mdash; @{{ follower.fqn }}</h3>
+            <h3><a href="{{ follower.ap_url }}/">{{ follower_name }}</a> &mdash; @{{ follower.fqn }}</h3>
             <main><p>{{ follower.summary | safe }}</p></main>
         </div>
     {% endfor %}