Skip mismatched protocol/port probes for well-known ports

[liquidsec]

Summary

When the http module receives an OPEN_TCP_PORT event, it speculatively probes both http:// and https:// on that port. For well-known ports (80 and 443), this means every scan generates requests that are almost never useful:

• http://host:443/ - plain HTTP to a TLS port. Almost always fails or returns garbage.
• https://host:80/ - TLS handshake to a plain HTTP port. Almost always times out.

These add up to a lot of wasted requests across a scan, especially with many open ports 80/443 targets. The success rate is near zero and the cost is a full request + timeout per target per mismatched combo.

This change makes the http module only probe the expected protocol for ports 80 and 443:

• Port 443 -> only https://
• Port 80 -> only http://
• All other ports -> both (unchanged)

This only affects the speculative probing from OPEN_TCP_PORT events. If a user directly enters http://host:443 as a target, or such a URL is discovered naturally (from a page link, redirect, etc.), it still gets probed normally via the URL/URL_UNVERIFIED path.

[github-actions]

🚀 Performance Benchmark Report

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90%. Comparing base (ef65b09) to head (c533e63).
⚠️ Report is 2 commits behind head on dev.

Additional details and impacted files

@@          Coverage Diff          @@
##             dev   #3234   +/-   ##
=====================================
+ Coverage     90%     90%   +1%     
=====================================
  Files        453     453           
  Lines      46101   46126   +25     
=====================================
+ Hits       41211   41240   +29     
+ Misses      4890    4886    -4     

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