nonce_manager: remove current nonce load when initialized (#2013)

If nonce was just initialized, no need for store and load.
Just return the stored value without load.

Signed-off-by: Gyuho Lee <gyuho.lee@avalabs.org>

Signed-off-by: Gyuho Lee <gyuho.lee@avalabs.org>

ethers-middleware/src/nonce_manager.rs

@@ -43,10 +43,12 @@ where
                 .map_err(FromErr::from)?;
             self.nonce.store(nonce.as_u64(), Ordering::SeqCst);
             self.initialized.store(true, Ordering::SeqCst);
-        }
+            Ok(nonce)
+        } else {
             // return current nonce
             Ok(self.nonce.load(Ordering::SeqCst).into())
         }
+    }
 
     async fn get_transaction_count_with_manager(
         &self,