Handling some warnings and proper disposals of shells etc.

Wino.Mail.WinUI/Dialogs/MessageSourceDialog.xaml

@@ -30,7 +30,7 @@
                 FontFamily="Consolas"
                 FontSize="12"
                 IsTextSelectionEnabled="True"
-                Text="{x:Bind MessageSource, Mode=OneWay}"
+                Text="{x:Bind MessageSource}"
                 TextWrapping="Wrap" />
         </Border>
     </ScrollViewer>

Wino.Mail.WinUI/Dialogs/MoveMailDialog.xaml

@@ -61,7 +61,7 @@
             CanDragItems="False"
             CanReorderItems="False"
             ItemTemplate="{StaticResource FolderStructureMenuFlyoutItemTemplate}"
-            ItemsSource="{x:Bind FolderList, Mode=OneWay}"
+            ItemsSource="{x:Bind FolderList}"
             SelectedItem="{x:Bind SelectedFolder, Mode=TwoWay}"
             SelectionMode="Single" />
     </Grid>

Wino.Mail.WinUI/Dialogs/NewAccountDialog.xaml

@@ -163,7 +163,7 @@
 
             <ComboBox
                 Grid.Row="4"
-                Header="{x:Bind domain:Translator.ImapCalDavSettingsPage_CalendarModeHeader, Mode=OneWay}"
+                Header="{x:Bind domain:Translator.ImapCalDavSettingsPage_CalendarModeHeader}"
                 ItemsSource="{x:Bind CalendarModeOptions, Mode=OneWay}"
                 SelectedIndex="{x:Bind SelectedCalendarModeIndex, Mode=TwoWay}" />
 

Wino.Mail.WinUI/Dialogs/SingleCalendarPickerDialog.xaml

@@ -28,13 +28,13 @@
     <StackPanel Margin="0,8,0,0" Spacing="12">
         <TextBlock
             Foreground="{ThemeResource TextFillColorSecondaryBrush}"
-            Text="{x:Bind domain:Translator.CalendarEventCompose_DefaultCalendarHint, Mode=OneWay}"
+            Text="{x:Bind domain:Translator.CalendarEventCompose_DefaultCalendarHint}"
             TextWrapping="WrapWholeWords" />
 
         <HyperlinkButton
             HorizontalAlignment="Left"
             Click="OpenCalendarSettingsClicked"
-            Content="{x:Bind domain:Translator.CalendarEventCompose_DefaultCalendarSettingsLink, Mode=OneWay}"
+            Content="{x:Bind domain:Translator.CalendarEventCompose_DefaultCalendarSettingsLink}"
             Padding="0" />
 
         <ScrollViewer MaxHeight="400">
@@ -67,7 +67,7 @@
                                                 Width="14"
                                                 Height="14"
                                                 VerticalAlignment="Center"
-                                                Fill="{x:Bind helpers:XamlHelpers.GetSolidColorBrushFromHex(BackgroundColorHex), Mode=OneWay}" />
+                                                Fill="{x:Bind helpers:XamlHelpers.GetSolidColorBrushFromHex(BackgroundColorHex)}" />
 
                                             <TextBlock
                                                 Grid.Column="1"