fix(Spotify Node): Fix issue with null values breaking the response (#12080)

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

@@ -1308,6 +1308,10 @@ export class Spotify implements INodeType {
 					);
 				}
 
+				// Remove null values from the response
+				if (operation === 'getUserPlaylists') {
+					responseData = responseData.filter((item: IDataObject) => item !== null);
+				}
 				const executionData = this.helpers.constructExecutionMetaData(
 					this.helpers.returnJsonArray(responseData as IDataObject[]),
 					{ itemData: { item: i } },