fdo#84844 Sidebar: Use SvxColorToolBoxControl for cell fill color

Change-Id: I4a067b31b4b518c56a0d18c6e6709955562d77fa
Fix color update for selection with multiple colors

Change-Id: Ie6ec5596027b053cea49faba67bd82bd9bfa2d31
fdo#84844 Sidebar: Use SvxColorToolBoxControl for fill color

Change-Id: I0aa9dbef960391334097b68c980064724435db38