NULL values should also trigger React selects to auto-select the firs…

…t value

Fixes #124

system/ee/EllisLab/ExpressionEngine/View/_shared/form/fields/select.php

@@ -95,7 +95,7 @@
 	// If $value is FALSE and we're rendering the field with React, FALSE
 	// probably isn't a valid value and probably came from asking the config
 	// library for the field's value in form/field.php
-	if ($no_radio_value && $value === FALSE && isset($normalized_choices[0]['value']))
+	if ($no_radio_value && ($value === FALSE || is_null($value)) && isset($normalized_choices[0]['value']))
 	{
 		$value = $normalized_choices[0]['value'];
 	}