Description:
setting the background color in a cell with slanted (rotated) text in the first column not only colors the rotated background rectangle but also the original cell.
See attached file

Steps to Reproduce:
1. create new spreed sheet
2. select any cell in the first column
3. enter text and change its rotation
4. change the background color

Actual Results:
both, the background of the slanted text, as the original cell background are colored.

Expected Results:
only the background of the slanted text is colored


Reproducible: Always


User Profile Reset: No

Additional Info:
see above