ui: fix grammar mistakes (#570)

packages/ui-default/templates/record_main.html

@@ -69,7 +69,7 @@
         {% if not filterUidOrName and not filterPid and not filterTid %}
         {{ nothing.render('Oh, there is no task in the queue!') }}
         {% else %}
-        {{ nothing.render('Oh, there is no task that matches the filter!') }}
+        {{ nothing.render('Oh, there are no tasks that match the filter!') }}
         {% endif %}
       {% else %}
         <table class="data-table record_main__table">