Update search results profiles properly on refresh and handle scrollHeight error

web/react/components/posts_view.jsx

@@ -321,7 +321,7 @@ export default class PostsView extends React.Component {
                 if (this.refs.newMessageSeparator) {
                     var objDiv = this.refs.postlist;
                     objDiv.scrollTop = this.refs.newMessageSeparator.offsetTop; //scrolls node to top of Div
-                } else {
+                } else if (this.refs.postlist) {
                     this.refs.postlist.scrollTop = this.refs.postlist.scrollHeight;
                 }
             });

web/react/components/search_results.jsx

@@ -61,7 +61,15 @@ export default class SearchResults extends React.Component {
     }
 
     shouldComponentUpdate(nextProps, nextState) {
-        return !Utils.areObjectsEqual(this.props, nextProps) || !Utils.areObjectsEqual(this.state, nextState);
+        if (!Utils.areObjectsEqual(this.props, nextProps)) {
+            return true;
+        }
+
+        if (!Utils.areObjectsEqual(this.state, nextState)) {
+            return true;
+        }
+
+        return false;
     }
 
     componentDidUpdate() {
@@ -143,13 +151,19 @@ export default class SearchResults extends React.Component {
             );
         } else {
             ctls = results.order.map(function mymap(id) {
-                var post = results.posts[id];
+                const post = results.posts[id];
+                let profile;
+                if (UserStore.getCurrentId() === post.user_id) {
+                    profile = UserStore.getCurrentUser();
+                } else {
+                    profile = profiles[post.user_id];
+                }
                 return (
                     <SearchResultsItem
                         key={post.id}
                         channel={this.state.channels.get(post.channel_id)}
                         post={post}
-                        user={profiles[post.user_id]}
+                        user={profile}
                         term={searchTerm}
                         isMentionSearch={this.props.isMentionSearch}
                     />