Incorrect formatting with `gqq` in Markdown

To Reproduce

1. Paste the following text into a buffer:

*foo* bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar

2. Press gqq and see the following (notice the leading asterisk on the second line):

*foo* bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar
*bar bar bar bar bar bar bar bar bar bar

Expected behavior

As in Vim, the result should be

*foo* bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar bar
bar bar bar bar bar bar bar bar bar bar

Environment (please complete the following information):

• Extension (VsCodeVim) version: 0.16.9
• VSCode version: 1.28.0
• OS: macOS