Applied some C#12 stuff

RGB.NET.Presets/Decorators/IGradientDecorator.cs

@@ -6,5 +6,4 @@ namespace RGB.NET.Presets.Decorators;
 /// <summary>
 /// Represents a basic decorator decorating a <see cref="T:RGB.NET.Presets.Gradients.IGradient" />.
 /// </summary>
-public interface IGradientDecorator : IDecorator
-{ }
+public interface IGradientDecorator : IDecorator;

RGB.NET.Presets/Textures/Gradients/AbstractGradient.cs

@@ -24,7 +24,7 @@ public abstract class AbstractGradient : AbstractDecoratable<IGradientDecorator>
     /// <summary>
     /// Gets a list of the stops used by this <see cref="AbstractGradient"/>.
     /// </summary>
-    public ObservableCollection<GradientStop> GradientStops { get; } = new();
+    public ObservableCollection<GradientStop> GradientStops { get; } = [];
 
     private bool _wrapGradient;
     /// <summary>

RGB.NET.Presets/Textures/Gradients/LinearGradient.cs

@@ -16,7 +16,7 @@ public sealed class LinearGradient : AbstractGradient
     #region Properties & Fields
 
     private bool _isOrderedGradientListDirty = true;
-    private readonly List<GradientStop> _orderedGradientStops = new();
+    private readonly List<GradientStop> _orderedGradientStops = [];
 
     #endregion