Fix canUser 4th argument

[adriendupuis]

Question	Answer
JIRA Ticket	N/A
Versions	2.5, 3.3, 4.5+
Edition	All

Tested with a controller extending Ibexa\Core\MVC\Symfony\Controller\Controller:

$this->getRepository()->getPermissionResolver()->canUser('content', 'read', $content, $location);
$this->isGranted(new Attribute('content', 'read', ['valueObject' => $content, 'targets' => $location]));

In both case, it ends with error "Ibexa\Core\Repository\Permission\CachedPermissionService::canUser(): Argument #4 ($targets) must be of type array, Ibexa\Core\Repository\Values\Content\Location given" (isGranted uses canUser)

The fix seems to be to wrap the "target" into an array, at least according to https://github.com/ibexa/core/blob/main/src/contracts/Repository/PermissionResolver.php#L71

The example was already wrong in ezsystems/ezpublish-kernel@7e71008#diff-99575a283389178639446fcd29841d374d98f628338e9607339e24eedeb86915R46-R67
See ibexa/core#273 fix for 4.5 and future versions.

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