Resolve #3529045 "2.0.5 value zero"

Closes #3529045

src/Element/ComponentElementBuilder.php

@@ -127,7 +127,7 @@ class ComponentElementBuilder implements TrustedCallbackInterface {
     // For boolean values, we only remove NULL values.
     return match ($prop_type->getPluginId()) {
       'attributes' => FALSE,
-      'boolean' => ($data === NULL),
+      'boolean', 'number' => ($data === NULL),
       default => empty($data),
     };
   }