array_map ignores union of callables

[mad-briller]

Bug report

array_map ignores a union of callables and assumes only the first of the union will be used, leading to an incorrectly inferred return type.

This line appears to be where the issue originates from, as the dynamic return type extension is asking for the parameter acceptors from here.

Code snippet that reproduces the problem

https://phpstan.org/r/216eb0ae-bd17-4f8d-badd-466f7d2aee6e

Expected output

Expectations specified in playground with assertType

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[ondrejmirtes]

Fixed: phpstan/phpstan-src#2902

[github-actions]

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