Environments three dots button shows empty flyout for compute systems with no dot operations

[nieubank]

Dev Home version

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Windows build number

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Other software

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Steps to reproduce the bug

Install a compute system extension that only supports launch and no other operations.

see

        <!-- Three Dot Button template -->
        <DataTemplate x:Key="ThreeDotsButton" x:DataType="vm:ComputeSystemViewModel">
            <Grid>
                <Button
                    Style="{StaticResource HorizontalThreeDotsStyle}">
                    <Button.Flyout>
                        <customControls:CardFlyout ItemsViewModels="{x:Bind DotOperations}"/>
                    </Button.Flyout>
                </Button>
            </Grid>
        </DataTemplate>

Expected result

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Actual result

Included System Information

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Included Extensions Information

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