This function specifies the default logos that are displayed in the "Admin Panel".
default_admin_ui_options()the default list of HTML for branding elements in the Admin Panel UI. The valid list element names are:
title - Title/Logo element in top left corner of Admin Panel dashboard & browser tab title
sidebar_branding - Branding (e.g. Logo) on left sidebar of Admin Panel dashboard
browser_tab_icon - Icon to display in browser tab