Wait with getting the timezone from the smb server until we need it

apps/files_external/3rdparty/composer.lock

apps/files_external/3rdparty/composer/installed.json

apps/files_external/3rdparty/icewind/smb/.gitignore

apps/files_external/3rdparty/icewind/smb/src/Parser.php

apps/files_external/3rdparty/icewind/smb/src/Share.php

...es_external/3rdparty/icewind/smb/src/TimeZoneProvider.php

...les_external/3rdparty/icewind/smb/tests/AbstractShare.php

apps/files_external/3rdparty/icewind/smb/tests/Parser.php