bug: Ionic v8 addIcon not working with composed name icons

### Current Behavior

I'm trying to use multiple ionic icons in my application, but only the simple ones are working for example: exit, calendar, add. If I try

it is not working.

Here are some examples:

**html**
`




Salir



`

**ts**

import { ellipsisVerticalOutline, exit } from "ionicons/icons";
import { addIcons } from "ionicons";
export class AppComponent implements OnInit, OnDestroy {
...
constructor(
private platform: Platform,
//rivate splashScreen: SplashScreen,
//private statusBar: StatusBar,
private authService: AuthService,
private locationService: LocationService,
private router: Router,
private menuCtrl: MenuController,
private alertCtrl: AlertController,
//private messagingService: MessagingService,
// private translateService: TranslateService
) {
this.initializeApp();
addIcons({exit,ellipsisVerticalOutline});
}

}


If I change html for:
`




Salir



`


Not Working.

### Expected Behavior

That the icon I'm using shows

### Steps to Reproduce

Use some basic icons with no composed names like exit, calendar
Then use some icons like

### Code Reproduction URL

_No response_

### Additional Information

_No response_

Start by reproducing the issue with addIcons and the hyphenated names ellipsis-vertical-outline and arrow-back-outline, comparing them with simple names such as exit. Trace how registered icon names are resolved, and consider the issue done when composed-name icons render through ion-icon as expected.

Escrito por el modelo de indexación a partir del texto del issue.