fix DuplicateScan "external service usage allowed" preset value

entity/DuplicateScan_entity/entityfields/external_service_usage_allowed/valueProcess.js

@@ -2,7 +2,7 @@ import("system.result");
 import("system.vars");
 import("system.neon");
 
-if(vars.get("$sys.operatingstate") == neon.OPERATINGSTATE_NEW)
+if(vars.get("$sys.operatingstate") == neon.OPERATINGSTATE_NEW && vars.get("$this.value") == null)
 {
     result.string("0");
 }
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