[Bug]: ReactiveValidationObject doesnt work with latest DynamicData version

[reyntjesr]

Describe the bug 🐞

I think this bug already happened once: ReactiveValidationObject doesnt work with latest DynamicData version

When I upgrade the dynamicdata package from 8.4.1 to 9.0.1 I get this bug again with the error message: Exception thrown: 'System.MissingMethodException' in ReactiveUI.Validation.dll

Step to reproduce

I guess any viewmodel with a ReactiveValidationObject base class from packages ReactiveUI.Validation 4.0.9 and dynamicdata 9.0.1

Reproduction repository

No response

Expected behavior

no Exceptions

Screenshots 🖼️

No response

IDE

Visual Studio 2022

Operating system

windows 11

Version

No response

Device

No response

ReactiveUI Version

ReactiveUI.Validation 4.0.9

Additional information ℹ️

No response

[Nextra]

Confirmed. Anyone pulling in DynamicData 9 through the latest ReactiveUI Version will hit this crash when using Validation.

Matching issue in RxUI: reactiveui/ReactiveUI#3905
PR introducing DD9: reactiveui/ReactiveUI#3875

[github-actions]

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