Improve file popup

core/templates/core/file.jinja

@@ -50,4 +50,13 @@
 {% endblock %}
 {% endif %}
 
+{% block script %}
+{{ super() }}
+{% if popup %}
+<script>
+parent.$(".choose_file_widget").css("height", "75%");
+</script>
+{% endif %}
+{% endblock %}
+
 {% endblock %}