UI: Allow more freedom changing the Speed value & clamp the visible number to a sane amount of trailing digits

src/Ryujinx/Assets/locales.json

@@ -23198,4 +23198,4 @@
       }
     }
   ]
-}
+}

src/Ryujinx/UI/ViewModels/Input/LedInputViewModel.cs

@@ -28,7 +28,7 @@ namespace Ryujinx.Ava.UI.ViewModels.Input
         [ObservableProperty] private bool _enableLedChanging;
         [ObservableProperty] private Color _ledColor;
 
-        public string RainbowSpeedText => RainbowSpeed.ToString(CultureInfo.CurrentCulture);
+        public string RainbowSpeedText => RainbowSpeed.ToString(CultureInfo.CurrentCulture).Truncate(4, string.Empty);
         
         public float RainbowSpeed
         {

src/Ryujinx/UI/Views/Input/LedInputView.axaml

@@ -36,13 +36,14 @@
                     Height="32"
                     Padding="0,-5"
                     TickFrequency="0.25"
-                    IsSnapToTickEnabled="True"
+                    LargeChange="1"
+                    SmallChange="0.25"
                     VerticalAlignment="Center"
                     Minimum="1"
                     Maximum="10" />
             <TextBlock Margin="5,0"
                        MinWidth="75"
-                       Text="{Binding RainbowSpeed}"/>
+                       Text="{Binding RainbowSpeedText}" />
         </StackPanel>
         <StackPanel Orientation="Horizontal" IsEnabled="{Binding ShowLedColorPicker}">
             <TextBlock MinWidth="75" MaxWidth="200" Text="{ext:Locale ControllerSettingsLedColor}" />