bug #322 Fixed a problem when displaying the number of elements of Do…

…ctrine collections (javiereguiluz)

This PR was merged into the master branch.

Discussion
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Fixed a problem when displaying the number of elements of Doctrine collections

Now when an associated Doctrine collection has zero elements, the backend displays a badge with the number "0".

This fixes #320

Commits
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f9090ac Fixed a problem when displaying the number of elements of associated Doctrine collections with zero elements (now the backend displays a badge with the number "0")

Resources/views/default/field_association.html.twig

@@ -1,4 +1,4 @@
-{% if value is iterable and value|length > 1 %}
+{% if value is iterable %}
     <span class="badge">{{ value|length }}</span>
 {% elseif link_parameters is defined %}
     <a href="{{ path('admin', link_parameters) }}">{{ value|easyadmin_truncate }}</a>