Move support buffer update out of the backends (#5411)

* Move support buffer update out of the backends

* Fix render scale init and remove redundant state from SupportBufferUpdater

* Stop passing texture scale to the backends

* XML docs for SupportBufferUpdater

src/Ryujinx.Graphics.OpenGL/Image/TextureView.cs

@@ -23,7 +23,7 @@ namespace Ryujinx.Graphics.OpenGL.Image
             TextureStorage parent,
             TextureCreateInfo info,
             int firstLayer,
-            int firstLevel) : base(info, parent.ScaleFactor)
+            int firstLevel) : base(info)
         {
             _renderer = renderer;
             _parent = parent;