[WPF][Input Evolution] [Inline Submit Action Crash]

[jwoo-msft]

Platform

What platform is your issue or question related to? (Delete other platforms).

• .NET WPF

Version of SDK

feature/inputEvolution

Details

Payload
https://github.com/microsoft/AdaptiveCards/blob/feature/inputEvolution/samples/v1.3/Elements/Input.Text.InlineAction.Label.json

Regression is observed; clicking on inline action crashes app

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