When settings.json file is opened and shows "unsaved" status, the connection cannot be saved

[yadongyaly]

• MSSQL Extension Version: 1.26.0
• VSCode Version: 1.95.3
• OS Version: windows 11

Steps to Reproduce:

1. ctrl+p to open settings.json file, make any changes and keep it unsaved
2. in mssql extension to open a connection to a sql server, the connection cannot be saved.

[Benjin]

While we can't save a new connection without write-access to the settings.json file, perhaps we can not block completing a connection on the ability to save it? Something to look into.