Return null instead of NotFoundPage when tax is missing but taxes are loaded

Author: allgandalf

src/pages/workspace/taxes/WorkspaceEditTaxPage.tsx

@@ -74,6 +74,9 @@ function WorkspaceEditTaxPage({
     };
 
     if (!currentTaxRate) {
+        if (policy?.taxRates?.taxes) {
+            return null;
+        }
         return <NotFoundPage />;
     }
     const taxCodeToShow = isControlPolicy(policy) ? taxID : '';