Properly deserialize `workspace/diagnostic/refresh` empty parameters (#62281)

Closes https://github.com/zed-industries/zed/issues/62187

Treats `()` as `null` for incoming requests.

Release Notes:

- N/A

Kirill Bulatov committed 25d ago

ca1ef7a4d25f6eb0ecf9809e55fadafa9a0d28c1

Parent: cc053a4

Committed by GitHub <noreply@github.com> on 8/7/2026, 12:11:38 PM