Toggling dark/light mode breaks the example

[imWildCat]

Description

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What type of issue is this? (place an x in one of the [ ])

• [x] bug
• [ ] enhancement (feature request)
• [ ] question
• [ ] documentation related
• [ ] discussion

Requirements (place an x in each of the [ ])

• [x] I've read and understood the Contributing guidelines and have done my best effort to follow them.
• [x] I've read and agree to the Code of Conduct.
• [x] I've searched for any related issues and avoided creating a duplicate issue.

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Bug Report

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SkeletonView Environment:

SkeletonView version: master Xcode version: 12.5 Swift version: 5.4

Steps to reproduce:

Please replace this with the steps to reproduce the behavior.

1. Build and run the demo project
2. Toggle light/dark mode
3. Observe

Expected result:

Please replace this with what you expected to happen.

After dark/light mode transition, animated view should persist.

Actual result: