Currently, when setting Numeric keyboard, on Mac and windows you can also enter non-numeric characters.

Provide an option when keyboard is numeric, the entry to replace its internal input control, so only numeric values to be entered.

Similar feature is opened for maui Entry: https://github.com/dotnet/maui/issues/9201

On Android: RadEntry and .NET Maui Entry behavior are identical. When unfocused, the focused background is still applied.

On WinUI: RadEntry and .NET Maui behavior when are unfocused, the focused background is still applied. When RadEntry is in the "Focused" and "PointerOver" visual states, the control behavior is with the default state. When .NET Maui Entry is in the "Focused" and "PointerOver" visual states, the control behavior is with the "PoinetOver" visual state.

On iOS and MacCatalys: When RadEntry is unfocused, the focused background is still applied.