upstream-zulip/web/templates/compose_banner/long_paste_options.hbs

<div
  class="main-view-banner {{banner_type}} {{classname}}">
    <div class="main-view-banner-elements-wrapper">
        {{#if show_paste_button}}
        <div class="banner_content">{{t 'Paste text directly or convert to a file?'}}</div>
        <button class="main-view-banner-action-button paste-to-compose">{{t 'Paste'}}</button>
        <button class="main-view-banner-action-button convert-to-file secondary-button right_edge">{{t 'Convert'}}</button>
        {{else}}
        <div class="banner_content">{{t 'Do you want to convert the pasted text into a file?'}}</div>
        <button class="main-view-banner-action-button convert-to-file right_edge">{{t 'Yes, convert'}}</button>
        {{/if}}
    </div>
    <a role="button" class="zulip-icon zulip-icon-close main-view-banner-close-button" tabindex="0" aria-label="{{t 'Dismiss' }}"></a>
</div>