Error On Setting CarouselPage.IsEnabled to false

[AceCoderLaura]

Description

Instances of the CarouselPage cannot have their IsEnabled property set to 'false'.

Steps to Reproduce

1. Instantiate a CarouselPage.
2. Set it's IsEnabled property to 'false'.
3. Observe exception.

Expected Behavior

The CarouselPage should appear disabled.

Actual Behavior

A NullReferenceException is thrown.

Basic Information

• Version with issue: 2.5.0.280555
• Last known good version: Unknown
• IDE: VS 2017
• Platform Target Frameworks:
  • UWP: 16299
• Nuget Packages:
  Google.Apis.Calendar.v3 {1.32.2.1146}
  NETStandard.Library {2.0.1}
  Xamarin.Forms {2.5.0.280555}
  Xamarin.Forms {2.5.0.280555}
  Xamarin.Forms {2.5.0.280555}
  Microsoft.NETCore.UniversalWindo... {6.0.7}
  Xamarin.Forms {2.5.0.280555}

Reproduction Link

https://bitbucket.org/ChristianFindlay/xamarin-forms-scratch
Run the project and click the carousel page option.