fix(api): include correct blob index in response (#903)

* fix(api): return correct blob index

* chore: add changeset

Author: PJColombo

.changeset/selfish-baboons-rush.md

@@ -0,0 +1,5 @@
+---
+"@blobscan/api": patch
+---
+
+Resolved an issue where the blob response incorrectly included the transaction index instead of the actual blob index

packages/api/src/routers/blob/helpers.ts

@@ -277,12 +277,13 @@ export function toResponseBlob(
             toId,
             computeBlobGasBaseFee,
             computeUsdFields,
+            index: _,
             ...restPrismaTx
           } = prismaTx;
 
           responseBlobOnTx = {
-            ...responseBlobOnTx,
             ...restPrismaTx,
+            ...responseBlobOnTx,
             ...normalizePrismaTransactionFields({
               decodedFields,
               from,