Calling empty on a boolean will return true, resulting in returning the default data, this is incorrect behaviour on the AbstractColumn

Author: shades684

src/Column/AbstractColumn.php

@@ -70,7 +70,7 @@ public function transform($value = null, $context = null)
         $data = $this->options['data'];
         if (is_callable($data)) {
             $value = call_user_func($data, $context, $value);
-        } elseif (empty($value)) {
+        } elseif (null === $value) {
             $value = $data;
         }