refactor(new_editor): streamline internal layout and command routing

new_editor/app/Composition/EditorShellRuntimeUpdate.cpp

@@ -114,6 +114,12 @@ void EditorShellRuntime::Update(
             detachedTitleBarTabHeight;
     }
 
+    const UIEditorWorkspaceLayoutSnapshot preUpdateSnapshot =
+        workspaceController.CaptureLayoutSnapshot();
+    const Widgets::UIEditorDockHostLayout preUpdateDockLayout =
+        m_shellFrame.workspaceInteractionFrame.dockHostFrame.layout;
+
+    context.BindEditCommandRoutes(&m_hierarchyPanel, &m_projectPanel);
     context.SyncSessionFromWorkspace(workspaceController);
     UIEditorShellInteractionDefinition definition =
         context.BuildShellDefinition(workspaceController, captureText, shellVariant);
@@ -131,6 +137,27 @@ void EditorShellRuntime::Update(
         shellEvents,
         context.GetShellServices(),
         metrics);
+
+    if (TryApplyUIEditorWorkspaceSplitterDragCorrection(
+            m_splitterDragCorrectionState,
+            m_shellInteractionState.workspaceInteractionState.dockHostInteractionState,
+            preUpdateSnapshot,
+            preUpdateDockLayout,
+            workspaceController,
+            metrics.shellMetrics.dockHostMetrics)) {
+        context.SyncSessionFromWorkspace(workspaceController);
+        definition =
+            context.BuildShellDefinition(workspaceController, captureText, shellVariant);
+        m_shellFrame = UpdateUIEditorShellInteraction(
+            m_shellInteractionState,
+            workspaceController,
+            bounds,
+            definition,
+            {},
+            context.GetShellServices(),
+            metrics);
+    }
+
     const bool shellOwnsHostedContentPointerStream =
         ShouldHostedContentYieldPointerStream(m_shellFrame, HasShellInteractiveCapture());
     const std::vector<::XCEngine::UI::UIInputEvent> hostedContentEvents =