A key and value of the nested table are not defined

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### How are you using the lua-language-server?

Visual Studio Code Extension (sumneko.lua)

### Which OS are you using?

Windows

### What is the issue affecting?

Other

### Expected Behaviour




### Actual Behaviour




### Reproduction steps

Maybe I'm doing something wrong, but it seems to have worked before

```lua
---@class Test
---@field ID integer
local Test = {};

---@param id integer
---@return Test
function Test:new(id)
return setmetatable({ ID = id }, { __index = self });
end

---@type table >
local tab = {
[1] = { 1.0, 2.1, 3.2 },
[2] = { 4.0, 5.1, 6.2 },
[3] = { 7.0, 8.1, 9.2 }
}

---@generic T
---@param test table
---@return table
local function convert2Test(test)
local t = {};
for k, v in pairs(test) do
t[Test:new(k)] = v;
end
return t;
end

local newTab = convert2Test(tab);

for k, v in pairs(newTab) do
print(k, v); -- ok! k and v detected
end

local test = Test:new(3);
local info = newTab[test];

if info then
for k, v in pairs(info) do
print(k, v); -- oops! k and v not detected
end
end
```

### Additional Notes

_No response_

### Log File

_No response_

Start with the Lua reproduction in the issue and compare the inferred types in the expected and actual screenshots. Investigate the nested table type used for tab and the value returned through convert2Test. Done means the inner table's key and value types are inferred in the final pairs loop.

Written by the indexing model from the issue text.