`sap.f.AvatarGroupItem` enhanced with `badgeIcon` & `badgeTooltip` properties

AvatarGroupItem.ts

import FAvatarGroupItem from 'sap/f/AvatarGroupItem';
import Avatar from 'sap/m/Avatar';
import type AvatarColor from 'sap/m/AvatarColor';
import type Event from 'sap/ui/base/Event';
import { ValueState } from 'sap/ui/core/library';

@namespace('your.namespace')
export default class AvatarGroupItem extends FAvatarGroupItem {
    public static readonly metadata = {
        library: 'your.namespace',
        properties: {
            badgeIcon: {
                type: 'sap.ui.core.URI',
                defaultValue: '',
            },
            badgeTooltip: {
                type: 'string',
                defaultValue: null,
            },
        },
    };

    public static readonly renderer = {};

    private _oAvatar: Avatar;

    // @ts-expect-error _getAvatar is untyped
    public override _getAvatar(): Avatar {
        if (!this._oAvatar) {
            this._oAvatar = new Avatar({
                src: this.getSrc(),
                initials: this.getInitials(),
                fallbackIcon: this.getFallbackIcon(),
                backgroundColor: <AvatarColor>this.getAvatarColor(),
                showBorder: true,
                // @ts-expect-error _getDisplaySize is untyped
                displaySize: this._getDisplaySize(),
                // @ts-expect-error _getCustomDisplaySize is untyped
                customDisplaySize: this._getCustomDisplaySize(),
                // @ts-expect-error _getCustomFontSize is untyped
                customFontSize: this._getCustomFontSize(),
                badgeIcon: this.getBadgeIcon(),
                badgeTooltip: this.getBadgeTooltip(),
                badgeValueState: ValueState.Success,
            });

            // Enable badge rendering (https://github.com/SAP/openui5/blob/541177fe17f89b0194276e59cde9e1caee375095/src/sap.m/src/sap/m/AvatarRenderer.js#L151)
            // And forward the press event of the avatar as avatar group item press event to the avatar group (https://github.com/SAP/openui5/blob/541177fe17f89b0194276e59cde9e1caee375095/src/sap.f/src/sap/f/AvatarGroup.js#L417)
            this._oAvatar.attachPress((event: Event) => {
                const parent = <any>this.getParent();
                if (!parent) {
                    return;
                }
                parent.firePress(<any>{
                    groupType: parent.getGroupType(),
                    eventSource: this,
                    overflowButtonPressed: this === parent._oShowMoreButton,
                    avatarsDisplayed: parent._iAvatarsToShow,
                });
            });
        }

        return this._oAvatar;
    }

    public setBadgeIcon(badgeIcon: string): this {
        this.setProperty('badgeIcon', badgeIcon, true);

        // Forward badge icon set call to internal avatar
        this._getAvatar().setBadgeIcon(badgeIcon);

        return this;
    }

    public setBadgeTooltip(badgeTooltip: string): this {
        this.setProperty('badgeTooltip', badgeTooltip, true);

        // Forward badge tooltip set call to internal avatar
        this._getAvatar().setBadgeTooltip(badgeTooltip);

        return this;
    }
}