LIL-422. Update dummy user image

apps/user/templates/user/profile-settings.html

@@ -42,7 +42,7 @@
             {% thumbnail user.photo "120x120" crop="center" as im %}
             <img id="photo" class="ava__pic" src="{{ im.url }}" width="{{ im.width }}" height="{{ im.height }}" />
             {% empty %}
-            <img id="photo" class="ava__pic" src="{% static 'img/no_cover.png' %}" width="120px" height="120px" />
+            <img id="photo" class="ava__pic" src="{% static 'img/user_default.jpg' %}" width="120px" height="120px" />
             {% endthumbnail %}
             <input name="photo" class="ava__input" type="file" accept='image/*' onchange='openFile(event)'>
             <div class="ava__icon">

apps/user/templates/user/profile.html

@@ -7,7 +7,7 @@
         {% thumbnail user.photo "120x120" crop="center" as im %}
         <img class="ava__pic" src="{{ im.url }}" width="{{ im.width }}" height="{{ im.height }}" />
         {% empty %}
-        <img class="ava__pic" src="{% static 'img/no_cover.png' %}" width="120px" height="120px" />
+        <img class="ava__pic" src="{% static 'img/user_default.jpg' %}" width="120px" height="120px" />
         {% endthumbnail %}
       </div>
       <div class="profile__wrap">