orm: enforce that queries always return a Result, a query-resulting array can be used as a V array in place. (#17871)

vlib/vweb/vweb_app_test.v

@@ -44,7 +44,7 @@ pub fn (mut app App) new_article() vweb.Result {
 	println(article)
 	sql app.db {
 		insert article into Article
-	}
+	} or {}
 
 	return app.redirect('/')
 }