fix: move trickplay specific option into TrickplayOptions (#11229)

MediaBrowser.Model/Configuration/TrickplayOptions.cs

@@ -13,6 +13,11 @@ public class TrickplayOptions
     /// </summary>
     public bool EnableHwAcceleration { get; set; } = false;
 
+    /// <summary>
+    /// Gets or sets a value indicating whether or not to use HW accelerated MJPEG encoding.
+    /// </summary>
+    public bool EnableHwEncoding { get; set; } = false;
+
     /// <summary>
     /// Gets or sets the behavior used by trickplay provider on library scan/update.
     /// </summary>