fix: Error processing and output pane improvements (no-changelog) (#9626)

Co-authored-by: कारतोफ्फेलस्क्रिप्ट™ <aditya@netroy.in>

packages/nodes-base/nodes/GetResponse/GetResponse.node.ts

@@ -276,6 +276,11 @@ export class GetResponse implements INodeType {
 						if (updateFields.customFieldsUi) {
 							const customFieldValues = (updateFields.customFieldsUi as IDataObject)
 								.customFieldValues as IDataObject[];
+							customFieldValues.forEach((entry) => {
+								if (typeof entry.value === 'string') {
+									entry.value = entry.value.split(',').map((value) => value.trim());
+								}
+							});
 							if (customFieldValues) {
 								body.customFieldValues = customFieldValues;
 								delete body.customFieldsUi;