added quota holder indication on manage access model diaplog
<span data-col="name" class="user-name"></span>
<span class="text-muted you-flag">(You)</span>
<br>
+
<span data-col="user-name"
class="user-username-content"></span>
</div>
{% if u.pk == current_user.pk %}
<span class="text-muted you-flag">(You)</span>
{% endif %}
+ {% if u.pk == quota_holder.pk %}
+ <span class="text-muted you-flag">(quota holder)</span>
+ {% endif %}
<br>
<span data-col="user-name"
class="user-username-content">{{ u.username }}</span>
