fix power actions

[nbosb]

always allow power options if login is disabled

Prerequisites checklist

• I have read the contributing guidelines.

What is the purpose of this pull request? (put an "x" next to an item)

• Documentation update
• Bug fix
• New feature
• Other, please explain:

What changes did you make? (Give an overview)

When login was disabled, the photobooth could not be shut down/rebooted anymore (if isAdmin and isRental are both false).
I removed the check inside the shutdown and reboot actions because the correct check (that also checks if login is enabled) is already there before the switch/case block:

photobooth/api/shellCommand.php

Lines 29 to 44 in 43ce985

	// Allow pre/post without admin auth; protect dangerous actions.
	// If login is enabled, require auth for administrative modes (e.g., reboot/shutdown).
	if (
	($config['login']['enabled'] ?? false)
	&& !$isAdmin
	&& !($isRental && in_array($mode, ['reboot', 'shutdown'], true))
	&& !in_array($mode, ['pre-command', 'post-command'], true)
	) {
	$data = [
	'success' => 'false',
	'mode' => 'Unauthorized',
	];
	$logger->debug('message', $data);
	echo json_encode($data);
	die();
	}

Is there anything you'd like reviewers to focus on?

No

AI used to create this Pull Request?

No