[P-168] Copying table cell range copies cells outside of selection

[OliverWales]

Description

Copying and pasting a range of cells from a Plate table to a spreadsheet includes additional cells not selected and does not preserve table structure.

https://user-images.githubusercontent.com/33153339/214021243-db4c4f74-01e0-4cb9-8e2b-b9e887ea3904.mov

Steps

1. Create editor with the Table plugin
2. Select a range of cells and copy it
3. Paste into e.g. Google Sheets
4. Cells are pasted into a single column + include cells outside of the visual cell selection

Sandbox

https://platejs.org

Expectation

Only the selected cells are copied + the structure is preserved on paste.

Environment

• slate: 0.88
• slate-react: 0.87
• browser: Chrome

_P-168

Funding

• You can sponsor this specific effort via a Polar.sh pledge below
• We receive the pledge once the issue is completed & verified

[OliverWales]

Giving this a go today 💪🏻