Steps to reproduce:

1. Create a Page in Firefox browser running on Windows
2. Add two sections to the page.
3. In one section add a table.
4. Select the table and copy it.
5. Try to paste it on the other section.

Expected Behaviour

Table should copy to the other section

actual behaviour

Table breaks when you paste it in the other section.

Note:

• This issue also affect copy and pasting table from Microsoft Excel file.
• This issue happens in Firefox on Windows only and you can't replicate it in Chrome or Edge in Windows and other OS.