feat(Discord Node): Overhaul (#5351)

Github issue / Community forum post (link here to close automatically):

---------

Co-authored-by: Giulio Andreini <g.andreini@gmail.com>
Co-authored-by: Marcus <marcus@n8n.io>

packages/nodes-base/utils/utilities.ts

@@ -294,10 +294,19 @@ export function flattenObject(data: IDataObject) {
 }
 
 /**
- * Generate Paired Item Data by length of input array
+ * Capitalizes the first letter of a string
  *
- * @param {number} length
+ * @param {string} string The string to capitalize
  */
+export function capitalize(str: string): string {
+	if (!str) return str;
+
+	const chars = str.split('');
+	chars[0] = chars[0].toUpperCase();
+
+	return chars.join('');
+}
+
 export function generatePairedItemData(length: number): IPairedItemData[] {
 	return Array.from({ length }, (_, item) => ({
 		item,