refactor: remove unnecessary nullish coalescing from static imports per code review

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>
Agent-Logs-Url: https://github.com/objectstack-ai/objectui/sessions/ddd5b726-e679-4ec8-9470-97f3ce913771

Author: Copilot

packages/plugin-view/src/ObjectView.tsx

@@ -62,9 +62,8 @@ import { ViewSwitcher } from './ViewSwitcher';
 
 /**
  * SchemaRenderer from @object-ui/react, used to render sub-view schemas.
- * Falls back to null if not available.
  */
-const SchemaRendererComponent: React.FC<any> | null = ImportedSchemaRenderer ?? null;
+const SchemaRendererComponent: React.FC<any> = ImportedSchemaRenderer;
 
 export interface ObjectViewProps {
   /**

packages/plugin-view/src/index.tsx

@@ -27,10 +27,8 @@ export type { SharedViewLinkProps } from './SharedViewLink';
 /**
  * SchemaRendererContext is created by @object-ui/react.
  * The context value provides { dataSource }.
- * A fallback context is used when the imported context is unavailable.
  */
-const FallbackContext = React.createContext<any>(null);
-const SchemaRendererContext: React.Context<any> = ImportedSchemaRendererContext ?? FallbackContext;
+const SchemaRendererContext: React.Context<any> = ImportedSchemaRendererContext;
 
 // Register object-view component
 const ObjectViewRenderer: React.FC<{ schema: any }> = ({ schema }) => {