…(DerDu)This PR was squashed before being merged into the 3.4 branch (closes#28604).Discussion----------[Finder] fixed root directory access for ftp/sftp wrapper| Q             | A| ------------- | ---| Branch?       | 3.4| Bug fix?      | yes| New feature?  | no| BC breaks?    | no| Deprecations? | no| Tests pass?   | yes| Fixed tickets |#27423| License       | MIT| Doc PR        | symfony/symfony-docs#... <!-- required for new features -->This fixes a flaw introduced in 3.4.7 by#26763In order to access the root folder with ftp wrapper, there MUST BE a slash present.- Currently: from 3.4.7 on it just ```rtrim``` all seperators (```/```, ```\```) from directories- Now: IF the directory is a (s)ftp:// wrapper (```#^s?ftp://#```) this fix just adds a slash (```/```) againCommits-------9630a38 [Finder] fixed root directory access for ftp/sftp wrapper

This PR was merged into the 3.4 branch.Discussion----------[Finder] Allow ssh2 stream wrapper for sftpSame fix as#28604 but for the ssh2.sftp wrapper.| Q             | A| ------------- | ---| Branch?       | 3.4| Bug fix?      | yes| New feature?  | no <!-- please update src/**/CHANGELOG.md files -->| Deprecations? | no <!-- please update UPGRADE-*.md and src/**/CHANGELOG.md files -->| Tickets       |Fix#28604 maybe| License       | MIT| Doc PR        |Without this patch, we can't use the finder with ssh2.sftp connections.```php$connection = \ssh2_connect('host', 22);\ssh2_auth_password($connection, 'user', 'pass');$sftp = \ssh2_sftp($connection);$path = "ssh2.sftp://".intval($sftp)."/";$finder = new Finder();foreach ($finder->in($path)->files() as $directory) {    dump(file_get_contents($directory));}```Without the patch:>   RecursiveDirectoryIterator::__construct(ssh2.sftp://838): failed to open dir: operation failedCommits-------e6c9d77 [Finder] Allow ssh2 stream wrapper for sftp