feat(taiko-client): improve FetchPacaya (#19438)

Co-authored-by: Copilot <[email protected]>

Author: davidtaikocha

packages/taiko-client/driver/txlist_fetcher/blob.go

@@ -142,6 +142,8 @@ func (d *BlobFetcher) FetchPacaya(
 				}
 
 				b = append(b, bytes...)
+				// Exit the loop as the matching sidecar has been found and processed.
+				break
 			}
 		}
 	}