Add missing domain id value in subscan

[psyray]

Related to #1041

In database there is a lot of endpoints which does not have a target_domain_id value.
It generates a lot of duplicates and can cause scan to fail, bad count (see #1041) and a lot of side effects

This PR fix missing domain_id value while launching a subscan

This fix definitively #1040

For those who wants to correctly count their endpoints previously scanned on target page, you need to update the target id of endpoints in the database

UPDATE public."startScan_endpoint"
set target_domain_id=1
where http_url like '%http_urls_to_update_here%'