Fix destructive update behavior in n8n cookie operations

Avoid clearing existing values when optional fields are left at their
defaults: only send privacyPolicyUrl/maxAgeSeconds when truthy, filter
empty entries from gcmConsentTypes, and constrain consentExpiryDays to
positive integers on create.

Signed-off-by: Émile Ré <emile@getprobo.com>

packages/n8n-node/nodes/Probo/actions/cookieCategory/update.operation.ts

@@ -150,7 +150,10 @@ export async function execute(
 	if (slug) input.slug = slug;
 	if (categoryDescription) input.description = categoryDescription;
 	if (gcmConsentTypes) {
-		input.gcmConsentTypes = gcmConsentTypes.split(',').map((s) => s.trim());
+		input.gcmConsentTypes = gcmConsentTypes
+			.split(',')
+			.map((s) => s.trim())
+			.filter((s) => s.length > 0);
 	}
 	if (posthogConsent) input.posthogConsent = posthogConsent === 'true';