Bump superdesk-core from aa50e4e to a415f77 in /client (#313)

Bumps [superdesk-core](https://github.com/superdesk/superdesk-client-core) from `aa50e4e` to `a415f77`.
- [Release notes](https://github.com/superdesk/superdesk-client-core/releases)
- [Commits](superdesk/superdesk-client-core@aa50e4e...a415f77)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>