Script Extensions are not working

1

Script Extensions are not working.
image

2

In what edition or version?

Just test it on Desktop Edition v25.9.30.2859 and ScriptExtension work fine..

{5677DB71-617D-44B3-A98F-A994FA22C4E1}
{5677DB71-617D-44B3-A98F-A994FA22C4E1}1622×870 45.3 KB

{3FD60E67-450C-40E7-ACAF-A873911D68EB}
{3FD60E67-450C-40E7-ACAF-A873911D68EB}1891×960 66.3 KB

3

This script not working
``Blockquote

Inventory Section body { font-family: Arial, sans-serif; } .disabled { pointer-events: none; /* Disable mouse events */ opacity: 0.5; /* Make it look disabled */ }

Inventory Section

Item Name: 
<label for="averageCost">Average Cost:</label>
<input type="text" id="averageCost" name="averageCost" class="disabled" readonly> <!-- Disabled and Readonly -->

<button type="submit">Submit</button>
``