Fix Blockscout tx fetch: remove unsupported limit parameter

Blockscout v2 API rejects the `limit` query parameter on
/transactions and /token-transfers endpoints (returns 422).
Remove it and slice results client-side instead.

src/shared/transactions.js

@@ -51,20 +51,12 @@ async function fetchRecentTransactions(address, blockscoutUrl, count = 25) {
     const addrLower = address.toLowerCase();
 
     const [txResp, ttResp] = await Promise.all([
+        fetch(blockscoutUrl + "/addresses/" + address + "/transactions"),
         fetch(
             blockscoutUrl +
                 "/addresses/" +
                 address +
-                "/transactions?limit=" +
-                count,
-        ),
-        fetch(
-            blockscoutUrl +
-                "/addresses/" +
-                address +
-                "/token-transfers?limit=" +
-                count +
-                "&type=ERC-20",
+                "/token-transfers?type=ERC-20",
         ),
     ]);