Fix: issue 132 - pathinfo(): Passing null to parameter #1 () of type …

[chrootchad]

Handle null attachment filenames when calling extension(). Fixes #132

[stevebauman]

Thanks! 🙏

[chrootchad]

No worries, thanks yet again for the great project.
Was going to go with the early return, but wasn't sure if you wanted this part to still get a shot at retrieving the extension from the content type 👍

        if ($ext = (MimeTypes::getDefault()->getExtensions($this->contentType)[0] ?? null)) {
            return $ext;
        }

[stevebauman]

Oh I'm sorry @chrootchad! That's my mistake 🙈. I'll revert my change and put back in what you had. What you had is correct.

[stevebauman]

@chrootchad I've released v1.18.6 with this change. It's back to the way you had it 👍