Bug title Pagination分页中页码绑定有问题

[dawndawnZyx]

Describe the bug

Pagination控件中PageIndex前端更新了，绑定的数值没变化，我使用的有问题吗

Steps to reproduce the bug

        <hc:Pagination
            Margin="5"
            HorizontalAlignment="Center"
            DataCountPerPage="{Binding PageSize}"
            DockPanel.Dock="Bottom"
            IsJumpEnabled="True"
            MaxPageCount="{Binding PageCount}"
            PageIndex="{Binding PageIndex}">
            <hc:Interaction.Triggers>
                <hc:EventTrigger EventName="PageUpdated">
                    <hc:EventToCommand Command="{Binding PageUpdatedCommand}" PassEventArgsToCommand="True" />
                </hc:EventTrigger>
            </hc:Interaction.Triggers>
        </hc:Pagination>

Expected behavior

No response

Screenshots

No response

NuGet package version

None

IDE

No response

Framework type

No response

Windows version

No response

Additional context

No response

[CodingOctocat]

Mode=TwoWay 试试