[Bug]: method directoriesByNamespace replacing prefix multiple times resulting in false positive because the directory is not found

[mateusdeitos-tiny]

What Happened

when running

arch('App\Application\Exception')
    ->expect('App\Application\Exception')
    ->toExtend(RequestException::class);

the method ObjectsRepository@directoriesByNamespace remove the prefix twice if the prefix is also present in another part of the namespace.

Example:

How to Reproduce

• Start a new project with pest-php
• Create a new class in the namespace App\Application\Exception
• run this test (it will pass but no directory will be found to actually test it)

arch('App\Application\Exception') ->expect('App\Application\Exception') ->toExtend(RequestException::class);

### Sample Repository

_No response_

### Pest Version

2.34.7

### PHP Version

8.3.7

### Operation System

Linux

### Notes

_No response_