all: fix typos in comments (#21118)

trie/database.go

@@ -399,7 +399,7 @@ func (db *Database) node(hash common.Hash) node {
 // Node retrieves an encoded cached trie node from memory. If it cannot be found
 // cached, the method queries the persistent database for the content.
 func (db *Database) Node(hash common.Hash) ([]byte, error) {
-	// It doens't make sense to retrieve the metaroot
+	// It doesn't make sense to retrieve the metaroot
 	if hash == (common.Hash{}) {
 		return nil, errors.New("not found")
 	}