OpenWopiLink, option title is maintened (replace button by options)

src/Bundle/ChillDocStoreBundle/Resources/views/Button/wopi_edit_document.html.twig

@@ -2,13 +2,11 @@
 <span data-module="wopi-link"
     data-wopi-url="{{ path('chill_wopi_file_edit', {'fileId': document.uuid}) }}"
     data-doc-type="{{ document.type|e('html_attr') }}"
-    data-button="{{ options|json_encode }}"
+    data-options="{{ options|json_encode }}"
 ></span>
-    
-    {{ chill_path_add_return_path('chill_wopi_file_edit', {'fileId': document.uuid}) }}
 #}
 
-{# Twig way,
+{# Twig way
     TODO: une route, un template avec un header CHILL et un iframe
 #}
 <a href="{{ chill_path_add_return_path('chill_wopi_file_edit', {'fileId': document.uuid}) }}"