owncloud/core

Bugfix: Prevent files:checksum:verify from crashing on exception

The command now skips files with exceptions instead of crashing.
A proper message will be displayed to the user who fires the command.

https://github.com/owncloud/core/pull/38785
https://github.com/owncloud/core/pull/39005
https://github.com/owncloud/core/issues/38782