amadeus: Add missing compressor effect from REV11 (#4010)

* amadeus: Add missing compressor effect from REV11

This was in my reversing notes but seems I completely forgot to
implement it

Also took the opportunity to simplify the Limiter effect a bit.

* Remove some outdated comment

* Address gdkchan's comments

Ryujinx.Audio/Renderer/Common/EffectType.cs

@@ -48,6 +48,11 @@ namespace Ryujinx.Audio.Renderer.Common
         /// <summary>
         /// Effect to capture mixes (via auxiliary buffers).
         /// </summary>
-        CaptureBuffer
+        CaptureBuffer,
+
+        /// <summary>
+        /// Effect applying a compressor filter (DRC).
+        /// </summary>
+        Compressor,
     }
 }

Ryujinx.Audio/Renderer/Common/PerformanceDetailType.cs

@@ -14,6 +14,7 @@ namespace Ryujinx.Audio.Renderer.Common
         Reverb3d,
         PcmFloat,
         Limiter,
-        CaptureBuffer
+        CaptureBuffer,
+        Compressor
     }
 }