Fix FrameScope compilation error - move after Renderer class

Co-authored-by: djeada <[email protected]>

render/scene_renderer.h

@@ -34,12 +34,6 @@ namespace Render::GL {
 
 class Backend;
 
-struct FrameScope {
-  Renderer &r;
-  FrameScope(Renderer &renderer) : r(renderer) { r.beginFrame(); }
-  ~FrameScope() { r.endFrame(); }
-};
-
 class Renderer : public ISubmitter {
 public:
   Renderer();
@@ -162,4 +156,10 @@ private:
   QMatrix4x4 m_viewProj;
 };
 
+struct FrameScope {
+  Renderer &r;
+  FrameScope(Renderer &renderer) : r(renderer) { r.beginFrame(); }
+  ~FrameScope() { r.endFrame(); }
+};
+
 } // namespace Render::GL