Updated packages. Migrated Avalonia UI to 12.0.

Harmonia.UI/Views/PlaylistView.axaml

@@ -5,6 +5,7 @@
              xmlns:vm="clr-namespace:Harmonia.UI.ViewModels"
 			 xmlns:converter="clr-namespace:Harmonia.UI.Converters"
 			 xmlns:controls="clr-namespace:Harmonia.UI.Controls"
+			 xmlns:ia="using:Avalonia.Xaml.Interactions.Animated"
              mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
 			 DataContext="{x:Static vm:ViewModelLocator.PlaylistViewModel}"
              x:Class="Harmonia.UI.Views.PlaylistView"
@@ -155,11 +156,15 @@
 			<!--<ListBox.Styles>
 				<Style Selector="ListBoxItem:nth-child(odd):not(:pointerover):not(:selected)">
 					<Setter Property="Background" Value="#00000000"/>
-					--><!-- Light Gray --><!--
+					-->
+			<!-- Light Gray -->
+			<!--
 				</Style>
 				<Style Selector="ListBoxItem:nth-child(even):not(:pointerover):not(:selected)">
 					<Setter Property="Background" Value="#22AAAAAA"/>
-					--><!-- Slightly Darker Gray --><!--
+					-->
+			<!-- Slightly Darker Gray -->
+			<!--
 				</Style>
 			</ListBox.Styles>-->
 			<ListBox.ItemTemplate>