Add a visibility icon to boost modal (#14292)

Related to tootsuite#14123.
Add visibility icon not only status/detailed-status but also modal window for boost.

app/javascript/mastodon/features/ui/components/boost_modal.js

@@ -10,10 +10,15 @@ import DisplayName from '../../../components/display_name';
 import ImmutablePureComponent from 'react-immutable-pure-component';
 import Icon from 'mastodon/components/icon';
 import AttachmentList from 'mastodon/components/attachment_list';
+import classNames from 'classnames';
 
 const messages = defineMessages({
   cancel_reblog: { id: 'status.cancel_reblog_private', defaultMessage: 'Unboost' },
   reblog: { id: 'status.reblog', defaultMessage: 'Boost' },
+  public_short: { id: 'privacy.public.short', defaultMessage: 'Public' },
+  unlisted_short: { id: 'privacy.unlisted.short', defaultMessage: 'Unlisted' },
+  private_short: { id: 'privacy.private.short', defaultMessage: 'Followers-only' },
+  direct_short: { id: 'privacy.direct.short', defaultMessage: 'Direct' },
 });
 
 export default @injectIntl
@@ -55,14 +60,24 @@ class BoostModal extends ImmutablePureComponent {
     const { status, intl } = this.props;
     const buttonText = status.get('reblogged') ? messages.cancel_reblog : messages.reblog;
 
+    const visibilityIconInfo = {
+      'public': { icon: 'globe', text: intl.formatMessage(messages.public_short) },
+      'unlisted': { icon: 'unlock', text: intl.formatMessage(messages.unlisted_short) },
+      'private': { icon: 'lock', text: intl.formatMessage(messages.private_short) },
+      'direct': { icon: 'envelope', text: intl.formatMessage(messages.direct_short) },
+    };
+
+    const visibilityIcon = visibilityIconInfo[status.get('visibility')];
+
     return (
       <div className='modal-root__modal boost-modal'>
         <div className='boost-modal__container'>
-          <div className='status light'>
+          <div className={classNames('status', `status-${status.get('visibility')}`, 'light')}>
             <div className='boost-modal__status-header'>
               <div className='boost-modal__status-time'>
                 <a href={status.get('url')} className='status__relative-time' target='_blank' rel='noopener noreferrer'><RelativeTimestamp timestamp={status.get('created_at')} /></a>
               </div>
+              <span className='status__visibility-icon'><Icon id={visibilityIcon.icon} title={visibilityIcon.text} /></span>
 
               <a onClick={this.handleAccountClick} href={status.getIn(['account', 'url'])} className='status__display-name'>
                 <div className='status__avatar'>