update to kirby 4.8

kirby/config/fields/headline.php

@@ -0,0 +1,19 @@
+<?php
+
+return [
+	'save' => false,
+	'props' => [
+		/**
+		 * Unset inherited props
+		 */
+		'after'       => null,
+		'autofocus'   => null,
+		'before'      => null,
+		'default'     => null,
+		'disabled'    => null,
+		'icon'        => null,
+		'placeholder' => null,
+		'required'    => null,
+		'translate'   => null
+	]
+];