fix ingredients

Took 4 minutes

src/iTender.ts

@@ -237,7 +237,7 @@ export class iTender {
 
                 let drinkAccept = true;
                 for (let i of d.ingredients) {
-                    let c = await Container.findOne({$and: [{content: i.type}, {content: {$ne: null}}]});
+                    let c = await Container.findOne({content: i.type});
 
                     if (!c || c.content != i.type) {
                         drinkAccept = false;