Doc strings on record fields/members does not show

[zth]

Using 1.0.4 on macOS.

Doc strings added on record members/fields does not seem to show. A reproduction + explanation of the issue is available here: https://github.com/zth/rescript-editor-tooling-playground/blob/cf6a19321973051e03445291a6bd2da22d91b3be/src/HoverIssues.res