Preview command fails for application downloaded from Playground

[KristianDD]

Environment
Provide version numbers for the following components (information can be retrieved by running tns info in your project folder or by inspecting the package.json of the project):

• CLI: RC

Describe the bug

tns preview fails when executed in application downloaded from https://play.nativescript.org/

To Reproduce

1. Create NS + Angular application in https://play.nativescript.org/
2. Download the application
3. tns preview
4. Scan the QR code

Expected behavior
The application to be prepared and synced successfully on the device.

Sample project

Additional context