Better application grid flex (#5218)

* Dont Error on Invalid Enum

* Use TryParse

* Log warning

src/Ryujinx.Ava/UI/Controls/ApplicationGridView.axaml

@@ -32,10 +32,10 @@
             <ListBox.ItemsPanel>
                 <ItemsPanelTemplate>
                     <flex:FlexPanel
-                        HorizontalAlignment="Stretch"
+                        HorizontalAlignment="Center"
                         VerticalAlignment="Stretch"
                         AlignContent="FlexStart"
-                        JustifyContent="Center" />
+                        JustifyContent="FlexStart" />
                 </ItemsPanelTemplate>
             </ListBox.ItemsPanel>
             <ListBox.Styles>

src/Ryujinx.Common/Utilities/TypedStringEnumConverter.cs

@@ -1,4 +1,5 @@
 #nullable enable
+using Ryujinx.Common.Logging;
 using System;
 using System.Text.Json;
 using System.Text.Json.Serialization;
@@ -18,12 +19,14 @@ namespace Ryujinx.Common.Utilities
         public override TEnum Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
         {
             var enumValue = reader.GetString();
-            if (string.IsNullOrEmpty(enumValue))
+
+            if (Enum.TryParse(enumValue, out TEnum value))
             {
-                return default;
+                return value;
             }
 
-            return Enum.Parse<TEnum>(enumValue);
+            Logger.Warning?.Print(LogClass.Configuration, $"Failed to parse enum value \"{enumValue}\" for {typeof(TEnum)}, using default \"{default(TEnum)}\"");
+            return default;
         }
 
         public override void Write(Utf8JsonWriter writer, TEnum value, JsonSerializerOptions options)