## Description
Related issue
[#214](https://github.com/payloadcms/payload-3.0-demo/issues/214) (3.0).
Using the `cmd+s` hotkey in the Edit Document view was opening the
_browser_ save dialogue when no changes had been made.
This change triggers a toast info banner with `No changes to save` and
adds translated string for other languages.
PR for 3.0 is [here](https://github.com/payloadcms/payload/pull/6366).
- [X] I have read and understand the
[CONTRIBUTING.md](https://github.com/payloadcms/payload/blob/main/CONTRIBUTING.md)
document in this repository.
## Type of change
- [X] Chore (non-breaking change which does not add functionality)
## Checklist:
- [X] Existing test suite passes locally with my changes