fix(Discord Node): When using OAuth2 authentication, check if user is a guild member when sending direct message (#9183)

packages/nodes-base/nodes/Discord/v2/methods/listSearch.ts

@@ -124,7 +124,7 @@ export async function categorySearch(this: ILoadOptionsFunctions): Promise<INode
 
 export async function userSearch(
 	this: ILoadOptionsFunctions,
-	filter?: string,
+	_filter?: string,
 	paginationToken?: string,
 ): Promise<INodeListSearchResult> {
 	const guildId = await getGuildId.call(this);