Resolve "Fusion des tiers"

src/Bundle/ChillThirdPartyBundle/Resources/views/Entity/thirdparty.html.twig

@@ -171,7 +171,13 @@
                         <a class="btn btn-sm btn-show" target="_blank" title="{{ 'Show thirdparty'|trans }}"
                             href="{{ path('chill_crud_3party_3party_view', { id: thirdparty.isChild ? thirdparty.parent.id : thirdparty.id }) }}"></a>
                     </li>
-                {% else %}
+                {% elseif is_granted('CHILL_3PARTY_3PARTY_UPDATE', thirdparty) %}
+                        <li>
+                            <a href="{{ chill_path_add_return_path('chill_thirdparty_find_duplicate',
+                                { 'thirdparty_id': thirdparty.id }) }}"
+                               title="{{ 'Merge'|trans }}"
+                               class="btn btn-misc"><i class="bi bi-chevron-contract"></i></a>
+                        </li>
                 {% endif %}
 
                 {% if options['customButtons']['after'] is defined %}