parser: breaking change, let V ORM queries return arrays for *all* non-count queries, including limit = 1 (#17719)

examples/vweb_fullstack/src/auth_services.v

@@ -34,9 +34,10 @@ fn (mut app App) service_auth(username string, password string) !string {
 		db.close() or { panic(err) }
 	}
 
-	user := sql db {
-		select from User where username == username limit 1
+	users := sql db {
+		select from User where username == username
 	}
+	user := users.first()
 	if user.username != username {
 		return error('user not found')
 	}

examples/vweb_fullstack/src/user_services.v

@@ -61,5 +61,5 @@ fn (mut app App) service_get_user(id int) !User {
 		select from User where id == id
 	}
 
-	return results
+	return results.first()
 }