Small update to use the _first_ @ rather than the last for username t…

…runcation

src/components/instantlaunches/functions.js

@@ -1,11 +1,11 @@
 /**
- * Removes a suffix from the username. Everything after the last '@' will be removed.
+ * Removes a suffix from the username. Everything starting from the first '@' will be removed.
  *
  * @param {string} username - The username that will be shortened
  * @returns {string} - The shortened username
  */
 export const shortenUsername = (username) => {
-    const atIndex = username.lastIndexOf("@");
+    const atIndex = username.indexOf("@");
     if (atIndex > -1) {
         return username.slice(0, atIndex);
     }