Fix JS error when switching teams (#6484)

webapp/components/post_view/components/post_list.jsx

@@ -551,7 +551,7 @@ export default class PostList extends React.Component {
         window.removeEventListener('keydown', this.handleKeyDown);
         this.scrollStopAction.cancel();
 
-        PostStore.removePostDraftChangeListener(this.handlePostDraftChange);
+        PostStore.removePostDraftChangeListener(this.props.channelId, this.handlePostDraftChange);
     }
 
     componentDidUpdate() {

webapp/yarn.lock

@@ -4880,7 +4880,7 @@ math-expression-evaluator@^1.2.14:
 
 mattermost-redux@mattermost/mattermost-redux#webapp-master:
   version "0.0.1"
-  resolved "https://codeload.github.com/mattermost/mattermost-redux/tar.gz/e7e9b9ef52b72547174bfae1d0c5b31dddbbbca7"
+  resolved "https://codeload.github.com/mattermost/mattermost-redux/tar.gz/6af89f1e58258a709601bf46ef7af2ab41d8d1f6"
   dependencies:
     deep-equal "1.0.1"
     harmony-reflect "1.5.1"