fix: Correct DNT selector logic (#242)

Author: emensch

common/changes/c2pa/correct-dnt-bug_2025-04-22-21-56.json

@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "c2pa",
+      "comment": "Correct DNT selector logic",
+      "type": "patch"
+    }
+  ],
+  "packageName": "c2pa"
+}

packages/c2pa/src/selectors/selectDoNotTrain.ts

@@ -59,5 +59,5 @@ export function selectDoNotTrain(manifest: Manifest): boolean {
     [],
   );
 
-  return disallowedActions.length === 0;
+  return disallowedActions.length !== 0;
 }