fix: service's paths won't traverse backwards

[jvillafanez]

Description

Related Issue

• Fixes <issue_link>

Motivation and Context

How Has This Been Tested?

• test environment:
• test case 1:
• test case 2:
• ...

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Database schema changes (next release will require increase of minor version instead of patch)
• Breaking change (fix or feature that would cause existing functionality to change)
• Technical debt
• Tests only (no source changes)

Checklist:

• Code changes
• Unit tests added
• Acceptance tests added
• Documentation ticket raised:
• Changelog item, see TEMPLATE

[update-docs]

Thanks for opening this pull request! The maintainers of this repository would appreciate it if you would create a changelog item based on your changes.

[DeepDiver1975]

@jvillafanez can you please add a changelog item? THX

[UnitedMarsupials]

I'm now getting this warning on every request:

[proxy_fcgi:error] [pid 86760] [client 192.168.1.10:21280] AH01071: Got error 'PHP message: PHP Warning:  stream_wrapper_unregister(): Unable to unregister protocol phar:// in /opt/www/owncloud/lib/kernel.php on line 574'

I had to modify the kernel.php as follows, which helped -- but there ought to be a better way:

--- lib/kernel.php	2025-07-03 09:54:27.000000000 -0400
+++ lib/kernel.php	2025-12-08 12:00:22.079292000 -0500
@@ -571,5 +571,5 @@
 
 		// disable phar handler in web requests
-		if (!self::$CLI) {
+		if (!self::$CLI and in_array('phar', stream_get_wrappers())) {
 			stream_wrapper_unregister("phar");
 		}