if the current numbering rule is not a bullet numbering rule.

- improve application default bullet numbering rule by add corresponding
  spacing to the first list level
- refactoring of code introduced for paragraph property panel to handle toggle
  and set of bullets and numbering

(cherry picked from commit 8c142809)

Conflicts:
	editeng/inc/editeng/outliner.hxx
	editeng/source/outliner/outlin2.cxx
	editeng/source/outliner/outliner.cxx
	editeng/source/outliner/outlvw.cxx
	sd/source/ui/func/fuolbull.cxx

Change-Id: If2807b2b81f8ade1e5b3282aa636cc2c0d8ea76a