Lei Huang

press <esc> to close preview window conflicts with vim normal model key-bindings

1

**Describe the bug** 插件的渲染窗口需要按esc关闭，这与vim退出到normal mode的按键冲突了，导致需要按两次esc才能回到normal mode **Screenshots**  **Version** - VS Code Version: 1.6.6 - Extension Version: 0.2.4