Util saves upload method using class name instead of adapter registration key

[luceos]

The Util saves the adapter with column upload_method as the shortened FQCN in the database, but registration of adapters is done using a custom string.

As such when instantiation occurs, Manager cannot instantiate the given adapter because it doesn't match:

    public function setMethod(?UploadAdapter $adapter = null): string
    {
        return $adapter ? Str::lower(Str::afterLast($adapter::class, '\\')) : 'private-shared';
    }

and

    public function instantiate(string $adapter): UploadAdapter
    {
        $configured = $this->adapters()
            // Drops adapters that cannot be instantiated due to missing packages.
            ->filter(function ($available) {
                return $available;
            })
            ->get($adapter);

        if (!$configured) {
            throw new ValidationException(['upload' => "No adapter configured for $adapter"]);
        }

        $method = Str::camel($adapter);

        $driver = $this->events->until(new Instantiate($adapter, $this->util));

        if (!$driver && !method_exists($this, $method)) {
            throw new ValidationException(['upload' => "Cannot instantiate adapter $adapter"]);
        }

        return $driver ?? $this->{$method}($this->util);
    }

with the example:

BlomstraObjectStorage being saved as upload_method blomstraobjectstorage whereas the adapter is in fact registered with the Manager as blomstra.

flarum.ERROR: Flarum\Foundation\ValidationException: No adapter configured for blomstraobjectstorage  in /var/www/vendor/fof/upload/src/Adapters/Manager.php:70