add support laravel 6.x

Author: rez1dent3

src/Internal/Repository/TransactionRepository.php

@@ -46,7 +46,9 @@ public function insertOne(TransactionDtoInterface $dto): Transaction
     {
         $attributes = $this->transformer->extract($dto);
         $instance = $this->transaction->newInstance($attributes);
-        assert($instance->save() === true);
+        $result = $instance::withoutEvents(static fn () => $instance->save());
+        assert($result === true);
+        assert($instance->getKey() !== null);
 
         return $instance;
     }

src/Internal/Repository/TransferRepository.php

@@ -36,7 +36,9 @@ public function insertOne(TransferDtoInterface $dto): Transfer
     {
         $attributes = $this->transformer->extract($dto);
         $instance = $this->transfer->newInstance($attributes);
-        assert($instance->save() === true);
+        $result = $instance::withoutEvents(static fn () => $instance->save());
+        assert($result === true);
+        assert($instance->getKey() !== null);
 
         return $instance;
     }