fix: Do not raise an error to check 'same-domain' if there is no hostname in the url

[Mantisus]

Description

• The need for PR is due to the fact that now the enqueue strategy check, is used in extract_links and can be applied to invalid urls.

[Copilot]

Pull Request Overview

This PR changes the behavior of the same-domain enqueue strategy to return False instead of raising an error when either URL lacks a hostname, preventing exceptions on invalid URLs.

• Replace ValueError with a silent skip (return False) for missing hostnames in same-domain checks.
• Ensures extract_links can apply the enqueue strategy without erroring on malformed URLs.

Comments suppressed due to low confidence (2)

src/crawlee/crawlers/_basic/_basic_crawler.py:970

• Add a unit test for the case where origin_url.hostname or target_url.hostname is None with the same-domain strategy to verify that it returns False and does not enqueue.

return False

src/crawlee/crawlers/_basic/_basic_crawler.py:967

• Update the method docstring for _check_enqueue_strategy to document that URLs without hostnames will simply return False for the same-domain strategy instead of raising an error.

def _check_enqueue_strategy(

[janbuchar]

Seems reasonable 👍

[vdusek]

LGTM