refactor

frontend/src/sidebar/Sidebar.tsx

@@ -683,9 +683,7 @@ const Sidebar: React.FC<SidebarProps> = ({
     sidebarClassNames.push('sidebar--suppressed');
   }
 
-  const tenantMenuContent = tenantMenuOpen
-    && tenantMenuStyle
-    && typeof document !== 'undefined'
+  const tenantMenuContent = tenantMenuOpen && tenantMenuStyle
       ? createPortal(
           <div
             className={menuClassName}

frontend/src/sidebar/SidebarContext.tsx

@@ -257,11 +257,7 @@ export const SidebarProvider = ({ initialCollapsed = false, children }) => {
     }
   }, [collapsed]);
 
-  const setCollapsed = useCallback((value) => {
-    if (typeof value === 'function') {
-      setCollapsedState((prev) => Boolean(value(prev)));
-      return;
-    }
+  const setCollapsed = useCallback((value: boolean) => {
     setCollapsedState(Boolean(value));
   }, []);