Markdown tables are reformatted wrongly with `rewrap.onSave: true`

[jaseemabid]

The former gets reformatted to the latter breaking markdown tabels.

| Channels:  |
| ---------- |
| One        |
| Two        |
| Three      |

| Channels:  | | ---------- | | One        | | Two        | | Three      |

---

Rewrap v17.8.0
VSCode Version: 1.84.2
Commit: 1a5daa3a0231a0fbba4f14db7ec463cf99d7768e
Date: 2023-11-09T10:52:57.054Z (3 wks ago)
Electron: 25.9.2
ElectronBuildId: 24603566
Chromium: 114.0.5735.289
Node.js: 18.15.0
V8: 11.4.183.29-electron.0
OS: Darwin arm64 23.1.0