form class="core"

Refs simonw/datasette#2417

datasette_configure_fts/templates/configure_fts_database.html

@@ -20,7 +20,7 @@ <h2>{{ table.name }}</h2>
     {% else %}
         <p>Configured for search across {{ ", ".join(table.searchable_columns) }}</p>
     {% endif %}
-    <form class="configure-fts" action="/-/configure-fts/{{ database.name|quote_plus }}" method="POST">
+    <form class="core configure-fts" action="/-/configure-fts/{{ database.name|quote_plus }}" method="POST">
         {% for column in table.columns %}
             <p><label><input 
                 type="checkbox"