db/state/execctx: use HistoryKeyTxNumRange in touchChangedKeys (#20229)

- `touchChangedKeys` only needs keys, not values — switch from
`HistoryRange` (returns key+value) to `tx.Debug().HistoryKeyTxNumRange`
(returns key+txNum) to avoid fetching unnecessary value data

Author: sudeepdino008

db/state/execctx/domain_shared.go

@@ -746,7 +746,7 @@ func (sd *SharedDomains) TouchChangedKeysFromHistory(tx kv.TemporalTx, fromTxNum
 // touches them onto the commitment trie.
 func (sd *SharedDomains) touchChangedKeys(tx kv.TemporalTx, d kv.Domain, fromTxNum uint64, toTxNum uint64) (int, error) {
 	changes := 0
-	it, err := tx.HistoryRange(d, int(fromTxNum), int(toTxNum), order.Asc, -1)
+	it, err := tx.Debug().HistoryKeyTxNumRange(d, int(fromTxNum), int(toTxNum), order.Asc, -1)
 	if err != nil {
 		return changes, err
 	}