[COMPONENT][Attachment] Vinculate note information with attachment controllers

Various minor bug fixes

plugins/ImageEncoder/templates/imageEncoder/imageEncoderView.html.twig

@@ -1,14 +1,14 @@
 <figure>
     <img class="u-photo"
-         alt="{{ attachment.getBestTitle(note) }}"
-         src="{{ attachment.getThumbnailUrl() }}"
+         alt="{{ title }}"
+         src="{{ attachment.getThumbnailUrl(note) }}"
          width="{{ thumbnail.getWidth() }}"
          height="{{ thumbnail.getHeight() }}">
         <figcaption>
             {% if attachment.getFilename() is not null %}
-                <a href="{{ path('attachment_show', {'id': attachment.getId()}) }}">{{ attachment.getBestTitle(note) }}</a>
+                <a href="{{ attachment.getShowUrl(note) }}">{{ title }}</a>
             {% else %}
-                {{ attachment.getBestTitle(note) }}
+                {{ title }}
             {% endif %}
         </figcaption>
 </figure>