✨ make a distinction between valid and invalid bindings

semver: minor

Author: Somfic

EliteAPI/bindings/Binding.cs

@@ -8,7 +8,7 @@ public readonly struct Binding
 
     public string Key { get; init; }
 
-    public string KeyCode => $"{string.Join("", Modifiers?.Select(m => m.KeyCode) ?? Enumerable.Empty<string>())}{BindingsUtils.GetKeyCode(Key)}";
+    public string KeyCode => $"{string.Join("", Modifiers?.Select(m => m.KeyCode) ?? [])}{BindingsUtils.GetKeyCode(Key)}";
 
     public Binding[]? Modifiers { get; init; }
 

EliteAPI/bindings/Control.cs

@@ -13,6 +13,8 @@ public readonly struct Control
     public bool? IsInverted { get; init; }
 
     public float? Deadzone { get; init; }
+
+    public bool IsValid => !string.IsNullOrEmpty(KeyCode);
 
     public string KeyCode { get {
         if (Primary is { Device: "Keyboard" })