Change "Direct" status visibility to "Only people I mention" in web UI (#18146)

- Change name of conversations column in web UI
- Change hotkey for opening conversations column from `g d` to `g c` in web UI
- Remove shortcuts for creating direct-visibility statuses from web UI

app/javascript/mastodon/components/common_counter.js

@@ -25,7 +25,7 @@ export function counterRenderer(counterType, isBold = true) {
     return (displayNumber, pluralReady) => (
       <FormattedMessage
         id='account.statuses_counter'
-        defaultMessage='{count, plural, one {{counter} Toot} other {{counter} Toots}}'
+        defaultMessage='{count, plural, one {{counter} Post} other {{counter} Posts}}'
         values={{
           count: pluralReady,
           counter: renderCounter(displayNumber),

app/javascript/mastodon/components/status.js

@@ -56,7 +56,7 @@ const messages = defineMessages({
   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' },
+  direct_short: { id: 'privacy.direct.short', defaultMessage: 'Mentioned people only' },
   edited: { id: 'status.edited', defaultMessage: 'Edited {date}' },
 });
 
@@ -349,7 +349,7 @@ class Status extends ImmutablePureComponent {
       prepend = (
         <div className='status__prepend'>
           <div className='status__prepend-icon-wrapper'><Icon id='thumb-tack' className='status__prepend-icon' fixedWidth /></div>
-          <FormattedMessage id='status.pinned' defaultMessage='Pinned toot' />
+          <FormattedMessage id='status.pinned' defaultMessage='Pinned post' />
         </div>
       );
     } else if (status.get('reblog', null) !== null && typeof status.get('reblog') === 'object') {

app/javascript/mastodon/components/status_action_bar.js

@@ -266,7 +266,6 @@ class StatusActionBar extends ImmutablePureComponent {
       menu.push({ text: intl.formatMessage(messages.redraft), action: this.handleRedraftClick });
     } else {
       menu.push({ text: intl.formatMessage(messages.mention, { name: account.get('username') }), action: this.handleMentionClick });
-      menu.push({ text: intl.formatMessage(messages.direct, { name: account.get('username') }), action: this.handleDirectClick });
       menu.push(null);
 
       if (relationship && relationship.get('muting')) {