Related: fdo#84844 Support of Sidebar wide buttons in SvxColorToolBoxControl

The end goal is to convert the Sidebar to use
SvxColorToolBoxControl, and get rid of the Sidebar
specific color popup, so we don't need to maintain
two popups.

Change-Id: I42e5bcb611acae25f16dfe9623d19727fc39ea07
fdo#84844 Sidebar: Use SvxColorToolBoxControl for paragraph color

Change-Id: I0231a52288ca9a8a2a5e5cdb13fdff772b989640