feat: impl of bad_blocks handler (#16209)

Signed-off-by: Aliaksei Misiukevich <taberlick@gmail.com>
Co-authored-by: Matthias Seitz <matthias.seitz@outlook.de>

crates/rpc/rpc-builder/tests/it/http.rs

@@ -368,7 +368,7 @@ where
     DebugApiClient::raw_block(client, block_id).await.unwrap_err();
     DebugApiClient::raw_transaction(client, B256::default()).await.unwrap();
     DebugApiClient::raw_receipts(client, block_id).await.unwrap();
-    assert!(is_unimplemented(DebugApiClient::bad_blocks(client).await.err().unwrap()));
+    DebugApiClient::bad_blocks(client).await.unwrap();
 }
 
 async fn test_basic_net_calls<C>(client: &C)

crates/rpc/rpc/src/debug.rs

@@ -940,7 +940,7 @@ where
 
     /// Handler for `debug_getBadBlocks`
     async fn bad_blocks(&self) -> RpcResult<Vec<RpcBlock>> {
-        Err(internal_rpc_err("unimplemented"))
+        Ok(vec![])
     }
 
     /// Handler for `debug_traceChain`