fix(core): appcontainer fallback display issue (#11669)

packages/frontend/core/src/desktop/components/app-container/index.tsx

@@ -64,7 +64,6 @@ const DesktopLayout = ({
   const isInWorkspace = !!workspaceService;
   return (
     <div className={styles.desktopAppViewContainer}>
-      {!fallback ? (
       <div className={styles.desktopTabsHeader}>
         <AppTabsHeader
           left={
@@ -75,7 +74,6 @@ const DesktopLayout = ({
           }
         />
       </div>
-      ) : null}
       <div className={styles.desktopAppViewMain}>
         {fallback ? (
           <AppSidebarFallback />

packages/frontend/core/src/desktop/pages/workspace/share/share-page.tsx

@@ -229,7 +229,7 @@ const SharePageInner = ({
   }
 
   if (!workspace || !page || !editor) {
-    return <AppContainer fallback />;
+    return null;
   }
 
   return (