Action support single table inheritance record (#18654)

Signed-off-by: Theofanis <[email protected]>

Author: theofanisv

packages/actions/src/Action.php

@@ -473,7 +473,7 @@ public function getContext(): array
             (! $table)
             || (! $record instanceof Model)
             || blank($table->getModel())
-            || ($record::class === $table->getModel())
+            || is_a($record::class, $table->getModel(), true)
         ) && filled($recordKey = $this->resolveRecordKey($record))) {
             $context['recordKey'] = $recordKey;
         }