Description:
When you try to remove the backgroud color of a cell, it looks ok after the operation, but if you save, close and reopen the file it returned to the original state

Steps to Reproduce:
1.Open the example file
2.The last row of the table has part of the cell in yellow and part with no color
3.Select the row
4. Select the backround color button in the format toolbar (not in the table toolbar)
5. Select "No color"
6. The row recovers their original color. All the cells are now in yellow
7. Save the file and close it
8. Reopen the file
9. The row doesn´t show the changes. Ii is in the same orginal state

Actual Results:
The changes done on the file are lost

Expected Results:
The row should remain in teh color assigned


Reproducible: Always


User Profile Reset: No



Additional Info: