Test configuration default overrides

[sandy081]

Ref #46851

• Mac @kieferrm
• Win @rebornix
• Linux @chrmarti

Complexity: 3

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You can now contribute and override defaults of configurations using configurationDefaults contribution point.

• Create a simple extension - https://code.visualstudio.com/api/get-started/your-first-extension
• Open package.json and customize defaults using configurationDefaults contribution point. Eg:

"contributes": {
		"configurationDefaults": {
			"workbench.sideBar.location": "left"
		}
	}

Above contribution point will change the default value of workbench.sideBar.location setting to right.

• Run the extension and test that defaults are overriden.
• Test overriding defaults of various other settings
• Test IntelliSense in the configurationDefaults object
• Make sure that application/machine scoped settings cannot be overriden. Eg: update.mode
• Explore any other possible scenarios and test

[chrmarti]

@sandy081 Can machine-overridable settings' defaults be overridden?

[sandy081]

Yes they can be overridden