zitadel/internal/ui/login/static/templates/user_profile.html

{{define "user-profile"}}
    {{if .LoginName}}
    <div class="login-profile">
        <div class="profile-image"></div>
        <div class="names">
            {{if .DisplayName}}
            <div class="displayname">{{.DisplayName}}</div>
            {{end}}
            <div class="loginname">{{.LoginName}}</div>
        </div>
    </div>
    {{end}}
{{end}}