[Closes #8088] Fix min max call on array of union types

[VincentLanglet]

Closes https://github.com/phpstan/phpstan/issues/8088

The dynamic extensions was considering

array<0|1|2|3|4|5|6|7|8|9>

and

array{0, 1, 2, 3, 4, 5, 6, 7, 8, 9}

as the same