Instead of deleting the complete `_VSCODE_NODE_MODULES` object, we now use a `Proxy` to intercept the `_isMockFunction` property. This is safer and will not delete a global variable that VSCode expects to exist.
Instead of deleting the complete `_VSCODE_NODE_MODULES` object, we now use a `Proxy` to intercept the `_isMockFunction` property. This is safer and will not delete a global variable that VSCode expects to exist.