Use scrollToBottomOnMessageSent

Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>

src/components/views/rooms/SendMessageComposer.js

@@ -403,8 +403,10 @@ export default class SendMessageComposer extends React.Component {
         this._editorRef.clearUndoHistory();
         this._editorRef.focus();
         this._clearStoredEditorState();
+        if (SettingsStore.getValue("scrollToBottomOnMessageSent")) {
             dis.dispatch({action: "scroll_to_bottom"});
         }
+    }
 
     componentWillUnmount() {
         dis.unregister(this.dispatcherRef);