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
ca1ef7a4d2Kirill Bulatov committed on 8/7/2026, 12:11:38 PM· committed by GitHubparentcc053a4