bitwarden-estensione-browser/src/app/settings/update-license.component.html

<form #form (ngSubmit)="submit()" [appApiAction]="formPromise" ngNativeValidate>
    <div class="form-group">
        <label for="file" class="sr-only">{{'licenseFile' | i18n}}</label>
        <input type="file" id="file" class="form-control-file" name="file" required>
        <small
            class="form-text text-muted">{{'licenseFileDesc' | i18n : (!organizationId ? 'bitwarden_premium_license.json' : 'bitwarden_organization_license.json')}}</small>
    </div>
    <button type="submit" class="btn btn-primary btn-submit" [disabled]="form.loading">
        <i class="fa fa-spinner fa-spin" title="{{'loading' | i18n}}"></i>
        <span>{{'submit' | i18n}}</span>
    </button>
    <button type="button" class="btn btn-outline-secondary" (click)="cancel()">
        {{'cancel' | i18n}}
    </button>
</form>