Sandbox: AllowNetwork option to allow outgoing traffic in sandbox mode. (#313912)

* changes

* changes

* Fix deprecated sandbox setting fallback

* Changes to include workspaceStorage directory for allowRead

* changes

* updating vscode sandbox runtime version

* Cleaning up the PR

* Fix terminal sandbox allow-network config

* fixing tests

* fixing tests

* Centralize terminal sandbox enablement checks

* Update network filter sandbox mode test