🐛 fix(GenericNode): set validationStatus to null when relevantData is null

This change fixes a bug where the validationStatus state was not being set to null when relevantData was null. This caused the validationStatus to retain its previous value, which could lead to incorrect validation results being displayed.

src/frontend/src/CustomNodes/GenericNode/index.tsx

@@ -64,6 +64,8 @@ export default function GenericNode({
     if (relevantData) {
       // Extract validation information from relevantData and update the validationStatus state
       setValidationStatus(relevantData);
+    } else {
+      setValidationStatus(null);
     }
   }, [sseData, data.id]);