GridStack rearranges items in one-column layout #3170
Description
Subject of the issue
When the layout switches to a single column, the items are rearranged after a page refresh
Your environment
- GridStack version: 12.3.3
- OS: macOS
- Browsers: Safari, Chrome
Steps to reproduce
- Open the page: https://codepen.io/MLukashevich/full/ByjZmLE
- Gradually shrink the browser window until the items are arranged in a single-column layout.
Note: Initially, the items appear in the correct vertical order: 1 → 2 → 3 - Refresh the browser page.
Observe that the items are now rearranged in the order: 2 → 3 → 1
Expected behavior
The item order should remain consistent (1 → 2 → 3) after the browser page is reloaded, even in a single-column layout