Fix wrong dish being opened when selecting from a filtered list

app/src/main/java/com/canteeneo/DishAdapter.java

@@ -35,7 +35,7 @@ public class DishAdapter extends BaseAdapter {
 
     @Override
     public long getItemId(int position) {
-        return position;
+        return filteredDishes.get(position).getId();
     }
 
     @Override

app/src/main/java/com/canteeneo/NavDrawerActivity.java

@@ -72,7 +72,7 @@ public class NavDrawerActivity extends AppCompatActivity implements NavigationVi
             @Override
             public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                 Intent i = new Intent(NavDrawerActivity.this, DishViewActivity.class);
-                Dish d = dishes.get(position);
+                Dish d = adapter.getItem(position);
                 i.putExtra("ID", d.getId());
                 i.putExtra("NAME", d.getName());
                 i.putExtra("PRICE", d.getPrice());