NM-212: IP Detection Interval (#3810)

* feat(go): add ip detection interval setting;

* feat(go): ensure ip detection interval is greater than 15s;

migrate/migrate.go

@@ -926,6 +926,9 @@ func migrateSettings() {
 	if settings.CleanUpInterval == 0 {
 		settings.CleanUpInterval = 10
 	}
+	if settings.IPDetectionInterval == 0 {
+		settings.IPDetectionInterval = 15
+	}
 	if settings.AuditLogsRetentionPeriodInDays == 0 {
 		settings.AuditLogsRetentionPeriodInDays = 7
 	}