feat: refactor test notiication event

src/renderer/src/declaration.d.ts

@@ -338,6 +338,7 @@ declare global {
       ) => void
     ) => () => Electron.IpcRenderer;
     updateAchievementCustomNotificationWindow: () => Promise<void>;
+    showAchievementTestNotification: () => Promise<void>;
 
     /* Themes */
     addCustomTheme: (theme: Theme) => Promise<void>;

src/renderer/src/pages/settings/settings-general.tsx

@@ -288,9 +288,7 @@ export function SettingsGeneral() {
 
             <Button
               className="settings-general__test-achievement-notification-button"
-              onClick={() =>
-                window.electron.updateAchievementCustomNotificationWindow()
-              }
+              onClick={() => window.electron.showAchievementTestNotification()}
             >
               Test Notification
             </Button>