Sealed a lot of classes that are not meant to be inherited

RGB.NET.Devices.SteelSeries/Generic/SteelSeriesDeviceUpdateQueue.cs

@@ -10,7 +10,7 @@ namespace RGB.NET.Devices.SteelSeries;
 /// <summary>
 /// Represents the update-queue performing updates for steelseries devices.
 /// </summary>
-internal class SteelSeriesDeviceUpdateQueue : UpdateQueue
+internal sealed class SteelSeriesDeviceUpdateQueue : UpdateQueue
 {
     #region Properties & Fields
 

RGB.NET.Devices.SteelSeries/Generic/SteelSeriesRGBDevice.cs

@@ -7,7 +7,7 @@ namespace RGB.NET.Devices.SteelSeries;
 /// <summary>
 /// Represents a SteelSeries-device. (keyboard, mouse, headset, mousepad).
 /// </summary>
-public class SteelSeriesRGBDevice : AbstractRGBDevice<SteelSeriesRGBDeviceInfo>, ISteelSeriesRGBDevice, IUnknownDevice//TODO DarthAffe 18.04.2020: It's know which kind of device this is, but they would need to be separated
+public sealed class SteelSeriesRGBDevice : AbstractRGBDevice<SteelSeriesRGBDeviceInfo>, ISteelSeriesRGBDevice, IUnknownDevice//TODO DarthAffe 18.04.2020: It's know which kind of device this is, but they would need to be separated
 {
     #region Properties & Fields
 

RGB.NET.Devices.SteelSeries/Generic/SteelSeriesRGBDeviceInfo.cs

@@ -6,7 +6,7 @@ namespace RGB.NET.Devices.SteelSeries;
 /// <summary>
 /// Represents a generic information for a SteelSeries-<see cref="T:RGB.NET.Core.IRGBDevice" />.
 /// </summary>
-public class SteelSeriesRGBDeviceInfo : IRGBDeviceInfo
+public sealed class SteelSeriesRGBDeviceInfo : IRGBDeviceInfo
 {
     #region Properties & Fields