[develop regression] When generating method returnType (virtual) returns null

[dantleech]

Return value of Phpactor\WorseReflection\Core\Virtual\VirtualReflectionMethod::returnType() must be an instance of Phpactor\WorseReflection\Core\Type, null returned i
n /home/daniel/.vim/plugged/phpactor/vendor/phpactor/worse-reflection/lib/Core/Virtual/VirtualReflectionMethod.php

[dantleech]

Fixed in WR c319c21