Remove extra IP info from the evidence logged to alerts.log if the info is an empty str

Author: AlyaGomaa

slips_files/core/text_formatters/evidence_formatter.py

@@ -165,7 +165,8 @@ def get_printable_attacker_and_victim_info(
             cached_info = self.db.get_ip_identification(entity.value) or {}
             if cached_info:
                 info = utils.get_ip_identification_as_str(cached_info)
-                results.append(f"IP {entity.value}: {info}")
+                if info:
+                    results.append(f"IP {entity.value}: {info}")
 
         return ", ".join(results)