fix(ui): fixes typo on queue page

app/views/servers/queue.html.haml

@@ -8,7 +8,7 @@
 - if @messages.empty?
   .pageContent--compact
     .noData.noData--clean
-      %h2.noData__title Your queue is current empty.
+      %h2.noData__title Your queue is currently empty.
       %p.noData__text
         Messages which haven't yet been delivered successfully will appear in your queue until
         we've delivered them or we've given up trying.