Reinstalling the "ProBuilder" package from "Package Manager" throws InvalidCastException error, Refer attached video.

Steps to repro:
1. Create a new project
2. Window > Package Manager
3. Install "ProBuilder" Package
4. Create a PB cube from the Tools->ProBuilderWindow tool (or use shortcut CTRL+K)
5. Remove "ProBuilder" Package
6. The cube should now display mangenta in the scene view since the shader used doesn't exist anymore
7. Delete the Cube from the hierarchy
8. Re-Install "ProBuilder" Package

Actual Result:
InvalidCastException is thrown in the console.

Expected Result:
Probuilder package is reinstalled without any issues.

Reproducible on: 2019.3.0b2, 2019.2.11f1,2019.1.11f1

Package Version working on 4.0.5 and earlier
Package Version issue found 4.1.0

Error Details:
InvalidCastException: Specified cast is not valid.
UnityEditor.ProBuilder.ProBuilderMeshEditor.OnEnable () (at library/packagecache/com.unity.probuilder@4.1.0/editor/editorcore/probuildermesheditor.cs:57)