src/vs/workbench/contrib/comments/browser/commentReply.ts/CommentReply/focusIfNeeded
class CommentReply:	public focusIfNeeded() {
		if (!this._commentThread.comments || !this._commentThread.comments.length) {
			this.commentEditor.focus();
		} else if (this.commentEditor.getModel()!.getValueLength() > 0) {
			this.expandReplyArea();
		}
	}