Fix ref usage warnings with in-parameters

Source/Engine/Graphics/Models/MeshAccessor.cs

@@ -499,7 +499,7 @@ namespace FlaxEngine
                     }
                     bounds = new BoundingBox(min, max);
                 }
-                mesh.SetBounds(ref bounds);
+                mesh.SetBounds(bounds);
             }
 
             return false;

Source/Engine/Graphics/RenderView.cs

@@ -99,7 +99,7 @@ namespace FlaxEngine
             Direction = camera.Direction;
             Near = camera.NearPlane;
             Far = camera.FarPlane;
-            camera.GetMatrices(out View, out Projection, ref viewport, ref Origin);
+            camera.GetMatrices(out View, out Projection, viewport, Origin);
             NonJitteredProjection = Projection;
             TemporalAAJitter = Float4.Zero;
             RenderLayersMask = camera.RenderLayersMask;