Introspection: use pyclass introspection ids in the type hint expression (#5732)

* Introspection: use pyclass introspection ids in the type hint expression

Allows to not rely on the `module` parameter but resolve proper module path during the introspection step, avoiding the need for relative imports support and dropping a full class of possible bugs

* Code review details

* Keep pyclass textual annotation in `WithIntrospectionId` nodes

* Better API experiment

Author: Tpt