React table pasting

[enyayinlee]

Summary

Pasting table to table corner or selection with table controller cell will create malfunction table controller cell

Steps to reproduce

• copy some cells, a cell and b cell are copied on this image

• select a row using controller cell

• paste

controller cell is now a regular cell after pasting

another issue is if you paste the same content to cell d, the result is as below

one column is appended without controller cell

Expected results

controller cells work fine.