Enhancement: Add include disabled filter to spaces overview

We've added an 'include disabled' filter to the spaces overview which is off by default.
This helps the user to manage spaces efficiently, even if there are a lot of disabled spaces.

https://github.com/owncloud/web/pull/11004
https://github.com/owncloud/web/pull/11049
https://github.com/owncloud/web/issues/11001
