Added missing characters to Subtasks jade template.

Thanks to xet7 !

client/components/cards/subtasks.jade

@@ -94,7 +94,7 @@ template(name="subtaskActionsPopup")
     li
       a.js-view-subtask(title="{{ subtask.title }}")
         i.fa.fa-eye
-        {{_ "view-it"}}
+        | {{_ "view-it"}}
       a.js-delete-subtask.delete-subtask
         i.fa.fa-trash
         | {{_ "delete"}} ...