The undo function is incorrect when adding pages.

[bxquy]

Describe the bug

• Click Add Page, we have 2 pages.
• At Page 1: Add plugins
• At Page 2: Add plugins
• Scroll to Page 1: Use undo function (Ctrl + z)
• Scroll to Page 2: Use undo function (Ctrl + z)

Actual result:
The undo function is incorrect.

To Reproduce

Evidence:

https://drive.google.com/file/d/13U75bnwleLpu-wL3nJjHHHZY0c5VlwK-/view?usp=drive_link

Expected behavior

The undo function is correct.

Your Environment

- pdfme package(@pdfme/generator or @pdfme/ui):
- pdfme version:
- Operating system:
- Node.js version or Browser name & version:

Your Error Log

None

Additional context

No response