Bump newsroom-core from bfd43ac to 3fbba2c in /client

Bumps [newsroom-core](https://github.com/superdesk/newsroom-core) from `bfd43ac` to `3fbba2c`.
- [Release notes](https://github.com/superdesk/newsroom-core/releases)
- [Commits](superdesk/newsroom-core@bfd43ac...3fbba2c)

---
updated-dependencies:
- dependency-name: newsroom-core
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>