Merge + checkbox: toggling with space assigns values to hidden merged cells
Describe the bug
Have some checkbox cells merged, select the merged area and press space - this changes not only the value of the top-left corner cells, but also of all the cells that are hidden by the merge. This doesn't happen if you click the checkbox.
Video/Screenshots
The linked reproducer outputs hot.getData() to a simple HTML table below the HOT table.
Starting state:
After toggling with space:
Note also how it doesn't just assign
true or false to all - it toggles each cell value individually leading to different values, if you start with true in the top-left cell.
Provide a link to the demo with the bug reproduction
https://codesandbox.io/s/handsontable-data-grid-merge-checkbox-toggling-with-space-assigns-values-to-hidden-merged-cells-hlxr63?file=/src/index.js
Handsontable version
13.0.0
Framework version
No response
Your environment
Windows 11, Firefox 115.0.2
Thank you for sharing the issue report @VsevolodGolovanov
I have replicated the issue on Chrome 114 / macOS Ventura.