Feature Request: Missing Field Diagnostic on Non-Class Table Types

還沒有人認領這個 Issue。

(Split from: https://github.com/LuaLS/lua-language-server/issues/2279)
Currently the missing-field diagnostic only works for classes. I sometimes use tables directly instead of classes and it would be nice to still be able to get missing-field warnings:

Ex:
```
---@param audience { [0]: "SELECT", ["peer_ids"]: string | string[] } who to send event to
function Events.send_event(audience, event, ...)
end

Events.send_event({})
```
and
```
---@param audience { [0]: "SELECT", peer_ids: string | string[] } who to send event to
function Events.send_event(audience, event, ...)
end

Events.send_event({})
```
gives no errors

Start by reproducing the two Events.send_event examples from the issue and inspect the existing missing-field diagnostic behavior for classes. Trace how the table parameter types in those examples are analyzed, then verify that calls passing {} report the required fields without changing the existing class behavior.

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