Meta - Fixed a bunch of build warnings

src/Artemis.VisualScripting/Converters/JsonConverter.cs

@@ -11,7 +11,7 @@ namespace Artemis.VisualScripting.Converters;
 public class JsonConverter : IValueConverter
 {
     /// <inheritdoc />
-    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+    public object Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
     {
         return JsonConvert.SerializeObject(value, Formatting.Indented);
     }
@@ -19,8 +19,7 @@ public class JsonConverter : IValueConverter
     /// <inheritdoc />
     public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
     {
-        if (value == null)
-            return null;
-        return JsonConvert.DeserializeObject(value.ToString(), targetType);
+        string? json = value?.ToString();
+        return json == null ? null : JsonConvert.DeserializeObject(json, targetType);
     }
 }

src/Artemis.VisualScripting/Nodes/Operators/Screens/EnumEqualsNodeCustomViewModel.cs

@@ -44,7 +44,7 @@ public class EnumEqualsNodeCustomViewModel : CustomNodeViewModel
 
     public ObservableCollection<EnumValueItem> EnumValues { get; } = new();
 
-    public EnumValueItem CurrentValue
+    public EnumValueItem? CurrentValue
     {
         get => EnumValues.FirstOrDefault(v => v.Value == _node.Storage);
         set