Array is not reconciled to iterable

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Test case:

<?php
/**
 * @template K
 * @template V
 * @param iterable<K,V> $collection
 * @return V
 * @psalm-suppress InvalidReturnType
 */
function first($collection) {}

$one = first([1,2,3]);
strlen($one);

https://getpsalm.org/r/124a8a4417

Expected: $one is int
Actual: $one is mixed
If $collection is documented as iterable<K,V>|array<K,V> result type is inferred properly.