fix(Microsoft Outlook Node): Fix issue with category not correctly applying (#6583)

packages/nodes-base/nodes/Microsoft/Outlook/MicrosoftOutlook.node.ts

@@ -120,7 +120,7 @@ export class MicrosoftOutlook implements INodeType {
 				for (const category of categories) {
 					returnData.push({
 						name: category.displayName as string,
-						value: category.id as string,
+						value: category.displayName as string,
 					});
 				}
 				return returnData;