RadzenDataGrid Filter Loses Focus on Shift or Caps Lock Key Press

I am experiencing an issue with the RadzenDataGrid filters while dealing with dynamic data. When I use the default column filters, the filter textbox loses focus if I press the Shift or Caps Lock key. This prevents me from typing in the filter textbox when either of these keys is pressed.
What might be causing this behavior?

I'm unable to replicate such problem on our demos. For example this one:

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