To replace single-instance com.sun.star.util.PathSettings service,
incorrectly converted in 89b0017b22
Keeping util::PathSettings::create in
sc/source/ui/vba/vbaapplication.cxx because for some reason
util::thePathSettings::get does not work in sc_macros_test
while testing sc/qa/extras/testdocuments/Ranges.xls.
Change-Id: I75b68ae56ac5b58f72416070dba100ab3ab70fe8
Helpers for C++ use of UNO.