[FilterOrder] add a method to get all the active filters

src/Bundle/ChillMainBundle/translations/messages+intl-icu.fr.yaml

@@ -54,3 +54,8 @@ duration:
             few {# minutes}
             other {# minutes}
         }
+
+filter_order:
+    by_date:
+        From: Depuis le {from_date, date, long}
+        To: Jusqu'au {to_date, date, long}