Improve developer experience: RuntimeException thrown by AbstractFactory::createObject now contains the reason.

This implements feature request #26550

Author: marvinhinz

lib/internal/Magento/Framework/ObjectManager/Factory/AbstractFactory.php

@@ -129,7 +129,7 @@ protected function createObject($type, $args)
             );
 
             throw new RuntimeException(
-                new Phrase('Type Error occurred when creating object: %type', ['type' => $type])
+                new Phrase('Type Error occurred when creating object: %type, %msg', ['type' => $type, 'msg' => $exception->getMessage()])
             );
         }
     }