Can't collapse messages section when it's the only section

[Charles-Gagnon]

MSSQL Extension Version: 1.7.0
Version: 1.38.1 (user setup)
Commit: b37e54c98e1a74ba89e03073e5a3761284e3ffb0
Date: 2019-09-11T13:35:15.005Z
Electron: 4.2.10
Chrome: 69.0.3497.128
Node.js: 10.11.0
V8: 6.9.427.31-electron.0
OS: Windows_NT x64 10.0.14393

Steps to Reproduce:

1. Execute query with error so that only messages section is shown (no results)
2. Attempt to collapse messages section (click arrow)

Expected : Section is collapsed and messages hidden

Actual : Arrow changes but messages are still visible