[iOS 13] Animation-examples application crash when navigate to example with animation #2002

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: 6.1.x
• Cross-platform modules: 6.1.x
• Android Runtime: 6.1.x
• iOS Runtime: 6.1.x
• NativeScript-Angular: master branch
• Angular: 8.2

Describe the bug
When navigate to example with animation the app crashes

To Reproduce

1. Deploy the app on iOS 13 simulator
2. Navigate to "Angular docs animations" example

Actual: The app crashes

Expected behavior
The "angular docs animations" example should be loaded.

Sample project
The animation-examples app from the e2e/ folder of the repo

Additional context

JavaScript error:
file:///node_modules/tns-core-modules/ui/animation/animation.js:285:0: JS ERROR TypeError: undefined is not an object (evaluating 'nativeView.layer')