Handle empty market category on Drops page (#7959)

* fix(market): hide category in view

* refactor(view): if, not hide

* fix(test): allow empty market cat

common/script/libs/shops.js

@@ -78,6 +78,7 @@ shops.getMarketCategories = function getMarket (user, language) {
         purchaseType: 'hatchingPotions',
       };
     }).sortBy('key').value();
+  categories.push(premiumHatchingPotionsCategory);
 
   let foodCategory = {
     identifier: 'food',

test/common/libs/shops.js

@@ -19,12 +19,6 @@ describe('shops', () => {
       expect(identifiers.length).to.eql(shopCategories.length);
     });
 
-    it('does not contain an empty category', () => {
-      _.each(shopCategories, (category) => {
-        expect(category.items.length).to.be.greaterThan(0);
-      });
-    });
-
     it('items contain required fields', () => {
       _.each(shopCategories, (category) => {
         _.each(category.items, (item) => {

website/views/options/inventory/drops.jade

@@ -107,7 +107,7 @@
 
       menu.inventory-list(type='list')
         li.customize-menu(ng-repeat='category in marketShopCategories')
-          menu.pets-menu(label='{{category.text}}')
+          menu.pets-menu(label='{{category.text}}', ng-if='category.items.length > 0')
             p.muted(ng-bind-html='category.notes')
 
             div(ng-repeat='item in category.items')