Psalm don't analyze unused traits

[vjik]

Without "use" no issues: https://psalm.dev/r/6d64d83015

With "use" has issues: https://psalm.dev/r/c174834679

[psalm-github-bot]

I found these snippets:

https://psalm.dev/r/6d64d83015

<?php

trait ArrayableTrait
{
    public function fields(): array
    {
        return UnknownFn();
    }
}

Psalm output (using commit 08afc45):

No issues!

https://psalm.dev/r/c174834679

<?php

trait ArrayableTrait
{
    public function fields(): array
    {
        return UnknownFn();
    }
}

class Test {
    use ArrayableTrait;
}

Psalm output (using commit 08afc45):

ERROR: UndefinedFunction - 7:16 - Function UnknownFn does not exist