PLT-443 Fix timestamps UI in center channel and RHS (#4463)

webapp/components/rhs_comment.jsx

@@ -19,7 +19,7 @@ import * as PostUtils from 'utils/post_utils.jsx';
 import Constants from 'utils/constants.jsx';
 import {Tooltip, OverlayTrigger} from 'react-bootstrap';
 
-import {FormattedMessage, FormattedDate} from 'react-intl';
+import {FormattedMessage} from 'react-intl';
 
 import loadingGif from 'images/load.gif';
 
@@ -386,6 +386,15 @@ export default class RhsComment extends React.Component {
             );
         }
 
+        const timeOptions = {
+            day: 'numeric',
+            month: 'short',
+            year: 'numeric',
+            hour: '2-digit',
+            minute: '2-digit',
+            hour12: !this.props.useMilitaryTime
+        };
+
         return (
             <div className={'post post--thread ' + currentUserCss + ' ' + compactClass}>
                 <div className='post__content'>
@@ -398,15 +407,7 @@ export default class RhsComment extends React.Component {
                             {botIndicator}
                             <li className='col'>
                                 <time className='post__time'>
-                                    <FormattedDate
-                                        value={post.create_at}
-                                        day='numeric'
-                                        month='short'
-                                        year='numeric'
-                                        hour12={!this.props.useMilitaryTime}
-                                        hour='2-digit'
-                                        minute='2-digit'
-                                    />
+                                    {Utils.getDateForUnixTicks(post.create_at).toLocaleString('en', timeOptions)}
                                 </time>
                                 {flagTrigger}
                             </li>