update to kirby 4.8

kirby/config/fields/radio.php

@@ -0,0 +1,29 @@
+<?php
+
+return [
+	'mixins' => ['options'],
+	'props' => [
+		/**
+		 * Unset inherited props
+		 */
+		'after'       => null,
+		'before'      => null,
+		'icon'        => null,
+		'placeholder' => null,
+
+		/**
+		 * Arranges the radio buttons in the given number of columns
+		 */
+		'columns' => function (int $columns = 1) {
+			return $columns;
+		},
+	],
+	'computed' => [
+		'default' => function () {
+			return $this->sanitizeOption($this->default);
+		},
+		'value' => function () {
+			return $this->sanitizeOption($this->value) ?? '';
+		}
+	]
+];