Replace Flex Panels in favor of Wrap Panels for Avalonia (#6267)

* Switch from using Flex panel to a Wrap panel for Grid view. This allows keyboard navigation.

* Stop using Flex panel in favor of Avalonia Wrap Panel.

src/Ryujinx.Ava/UI/Views/User/UserSelectorView.axaml

@@ -4,7 +4,6 @@
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:locale="clr-namespace:Ryujinx.Ava.Common.Locale"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-    xmlns:flex="clr-namespace:Avalonia.Flexbox;assembly=Avalonia.Flexbox"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:helpers="clr-namespace:Ryujinx.Ava.UI.Helpers"
     xmlns:models="clr-namespace:Ryujinx.Ava.UI.Models"
@@ -40,11 +39,10 @@
                 ItemsSource="{Binding Profiles}">
                 <ListBox.ItemsPanel>
                     <ItemsPanelTemplate>
-                        <flex:FlexPanel
-                            HorizontalAlignment="Stretch"
-                            VerticalAlignment="Stretch"
-                            AlignContent="FlexStart"
-                            JustifyContent="FlexStart" />
+                        <WrapPanel
+                            HorizontalAlignment="Left"
+                            VerticalAlignment="Center"
+                            Orientation="Horizontal"/>
                     </ItemsPanelTemplate>
                 </ListBox.ItemsPanel>
                 <ListBox.Styles>
@@ -161,4 +159,4 @@
                 Content="{locale:Locale UserProfilesClose}" />
         </StackPanel>
     </Grid>
-</UserControl>
+</UserControl>