Adding key to comment-node to not clear out form. Fixes #588

ui/src/components/comment-nodes.tsx

@@ -38,6 +38,7 @@ export class CommentNodes extends Component<
       <div className="comments">
         {this.sorter().map(node => (
           <CommentNode
+            key={node.comment.id}
             node={node}
             noIndent={this.props.noIndent}
             viewOnly={this.props.viewOnly}

ui/src/components/post.tsx

@@ -300,7 +300,7 @@ export class Post extends Component<any, PostState> {
     i.setState(i.state);
   }
 
-  private buildCommentsTree(): Array<CommentNodeI> {
+  buildCommentsTree(): Array<CommentNodeI> {
     let map = new Map<number, CommentNodeI>();
     for (let comment of this.state.comments) {
       let node: CommentNodeI = {