Refactor scene viewport state into local sessions

editor/app/Features/Scene/SceneViewportFeature.cpp

@@ -9,6 +9,7 @@ void SceneViewportFeature::Initialize(
     const EditorIconService* iconService,
     EditorSceneViewportRuntime& sceneViewportRuntime) {
     m_sceneViewportRuntime = &sceneViewportRuntime;
+    m_session.Reset();
     m_controller.Initialize(iconService);
 }
 
@@ -29,7 +30,7 @@ void SceneViewportFeature::SetCommandFocusService(
 void SceneViewportFeature::SyncRenderRequest(EditorSceneRuntime& sceneRuntime) {
     if (m_sceneViewportRuntime != nullptr) {
         m_sceneViewportRuntime->SetRenderRequest(
-            sceneRuntime.BuildSceneViewportRenderRequest());
+            m_session.BuildRenderRequest(sceneRuntime));
     }
 }
 
@@ -43,6 +44,7 @@ void SceneViewportFeature::Update(
 
     m_controller.Update(
         sceneRuntime,
+        m_session,
         m_sceneViewportRuntime->GetObjectPicker(),
         composeState,
         composeFrame);