Drop uses of css::uno::Sequence::getConstArray in cppuhelper .. cui
where it was obsoleted by commits
2484de6728bd11bb7949003d112f1ece2223c7a1
(Remove non-const Sequence::begin()/end() in internal code, 2021-10-15) and
fb3c04bd1930eedacd406874e1a285d62bbf27d9 (Drop non-const Sequence::operator[]
in internal code 2021-11-05).
Change-Id: Ia2b60af973183bbe79656e67b5e37d7efa39a308
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/166817
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>