light: odrTrie tryUpdate should use update (#18107)

TryUpdate does not call t.trie.TryUpdate(key, value) and calls t.trie.TryDelete
instead. The update operation simply deletes the corresponding entry, though
it could retrieve later by odr. However, it adds further network overhead.

Author: Sheldon

light/trie.go

@@ -108,7 +108,7 @@ func (t *odrTrie) TryGet(key []byte) ([]byte, error) {
 func (t *odrTrie) TryUpdate(key, value []byte) error {
 	key = crypto.Keccak256(key)
 	return t.do(key, func() error {
-		return t.trie.TryDelete(key)
+		return t.trie.TryUpdate(key, value)
 	})
 }