Add changing icon here

[github-actions]

https://api.github.com/morning4coffe-dev/project-sbs/blob/b3feed2025c112e4acf25e4634f86e50900c4899/ProjectSBS/ProjectSBS/Presentation/Components/ItemDetails.xaml#L211

                                <CalendarDatePicker Header="Billing Date"
                                                    Date="{Binding SelectedItem.Item.Billing.InitialDate, Mode=TwoWay, Converter={StaticResource DateOnlyToDateTimeOffsetConverter}}"
                                                    HorizontalAlignment="Stretch" />

                                <Grid ColumnSpacing="8">
                                    <Grid.ColumnDefinitions>
                                        <ColumnDefinition />
                                        <ColumnDefinition Width="Auto" />
                                    </Grid.ColumnDefinitions>

                                    <NumberBox Header="Repete every"
                                               Value="{Binding SelectedItem.Item.Billing.RecurEvery, Mode=TwoWay}"
                                               SpinButtonPlacementMode="Inline" />
                                    <ComboBox VerticalAlignment="Bottom"
                                              ItemsSource="{toolkit:EnumValues Type=models:Period}"
                                              SelectedItem="{Binding SelectedItem.Item.Billing.PeriodType, Mode=TwoWay}"
                                              Grid.Column="1" />
                                </Grid>
                                
                                <Grid>
                                    <!--TODO Add changing icon here-->
                                    <CheckBox Content="Get notified {NI}"
                                              IsEnabled="True" />
                                    <FontIcon HorizontalAlignment="Right"
                                              Opacity="0.75"
                                              FontSize="18"
                                              Glyph="&#xEA8F;" />
                                </Grid>

                                <Grid>

[github-actions]

Closed in 015de34