Results 4 issues of Glitchy

Basically if i have 2 stacked shulkers, and they contain 1 of each item, i expect the gui to show 2 items, but it shows 1.

bottom text

new feature

```2025/10/02 21:22:11 [error] 1306892#1306892: *321 FastCGI sent in stderr: "PHP message: PHP Warning: Undefined variable $db in /home/glitchy/staging/GMDprivateServer/accounts/registerGJAccount.php on line 21; PHP message: PHP Fatal error: Uncaught Error: Call to...

![image](https://github.com/user-attachments/assets/d4211f67-2f87-46ee-a6ab-6402c0b32d0a)