** Azure Data Studio Version:**
Version: 1.8.0-insider (system setup)
Commit: d7df71c
Date: 2019-05-31T14:51:26.886Z
VS Code 1.34.0
Electron: 3.1.8
Chrome: 66.0.3359.181
Node.js: 10.2.0
V8: 6.6.346.32
OS: Windows_NT x64 10.0.17763

Steps to Reproduce:

1. Have a Server connection selected
2. Open Backup from Command pallet
3. On windows

• you get half filled dialog dabase as "NULL" with Backup buttons enabled and
• when you select backup - it fails with error message saying "select a database"

4. On Mac

• the backup dialog is not filled adnd the buttons are disabled
• if you try to manually fill this the file browser will not load

Ideal behavior - check if database context is not present do not even open the backup dialog