Merge branch 'new-workspace-button' into 'master'

Add button to create workspace in workspaces popover

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/125170



Merged-by: Frédéric Caplette <fcaplette@gitlab.com>
Approved-by: Ashraf Khamis <akhamis@gitlab.com>
Approved-by: Artur Fedorov <afedorov@gitlab.com>
Approved-by: Frédéric Caplette <fcaplette@gitlab.com>
Reviewed-by: Frédéric Caplette <fcaplette@gitlab.com>
Reviewed-by: Artur Fedorov <afedorov@gitlab.com>
Co-authored-by: Enrique Alcantara <ealcantara@gitlab.com>