Copy dependency for multisample and non-multisample textures (#3382)

* Use copy dependency for textures that differs in multisample but are otherwise compatible

* Remove allowMs flag as it's no longer required for correctness, it's just an optimization now

* Dispose intermmediate pool

Ryujinx.Graphics.GAL/Target.cs

@@ -13,4 +13,12 @@ namespace Ryujinx.Graphics.GAL
         CubemapArray,
         TextureBuffer
     }
+
+    public static class TargetExtensions
+    {
+        public static bool IsMultisample(this Target target)
+        {
+            return target == Target.Texture2DMultisample || target == Target.Texture2DMultisampleArray;
+        }
+    }
 }