show block and tx blob tabs only if NEXT_PUBLIC_DATA_AVAILABILITY_ENABLED

ui/pages/Block.tsx

@@ -66,7 +66,7 @@ const BlockPageContent = () => {
         </>
       ),
     },
-    blockQuery.data?.blob_tx_count ?
+    config.features.dataAvailability.isEnabled && blockQuery.data?.blob_tx_count ?
       {
         id: 'blob_txs',
         title: 'Blob txns',

ui/pages/Transaction.tsx

@@ -63,7 +63,7 @@ const TransactionPageContent = () => {
         { id: 'user_ops', title: 'User operations', component: <TxUserOps txQuery={ txQuery }/> } :
         undefined,
       { id: 'internal', title: 'Internal txns', component: <TxInternals txQuery={ txQuery }/> },
-      txQuery.data?.blob_versioned_hashes?.length ?
+      config.features.dataAvailability.isEnabled && txQuery.data?.blob_versioned_hashes?.length ?
         { id: 'blobs', title: 'Blobs', component: <TxBlobs txQuery={ txQuery }/> } :
         undefined,
       { id: 'logs', title: 'Logs', component: <TxLogs txQuery={ txQuery }/> },

ui/pages/Transactions.tsx

@@ -29,12 +29,6 @@ const Transactions = () => {
   const isMobile = useIsMobile();
   const tab = getQueryParamString(router.query.tab);
 
-  React.useEffect(() => {
-    if (tab === 'blob_txs' && !config.features.dataAvailability.isEnabled) {
-      router.replace({ pathname: '/txs' }, undefined, { shallow: true });
-    }
-  }, [ router, tab ]);
-
   const txsValidatedQuery = useQueryWithPages({
     resourceName: 'txs_validated',
     filters: { filter: 'validated' },