Revert some string_view pessimization

This reverts the configmgr part of 0a7eac8576f313dcaf27ee45326d71fd6b5aea1e "use
more string_view in accessibility..configmgr":  All calls to Data::parseSegment
(either directly, or indirectly either via Access::getSubChild or via
parseSegment in partial.cxx) pass in an OUString path, and in some cases (see
below)

>         *name = path.substr(index, i - index);

in Data::parseSegment reconstructs an OUString from the full path (i.e.,
index == 0 and i == path.size()).  And I see no code that actually benefited
from the switch to string_view.

One example call stack for such an expensive reconstruction of an OUString from
full path is

> #0 in configmgr::Data::parseSegment(path=u"ooSetupSystemLocale", index=0, name=0x7ffff5299280, setElement=0x7ffff52992a0, templateName=0x7ffff52992b0) in core/configmgr/source/data.cxx
> #1 in configmgr::Access::getSubChild(this=0x619000028f80, path=u"ooSetupSystemLocale") in core/configmgr/source/access.cxx
> #2 in configmgr::Access::getByHierarchicalName(this=0x619000028f80, aName="ooSetupSystemLocale") in core/configmgr/source/access.cxx
> #3 in utl::ConfigItem::GetProperties(xHierarchyAccess=uno::Reference to (configmgr::RootAccess *) 0x619000028fb8, rNames=uno::Sequence of length 6 = {...}, bAllLocales=false) in core/unotools/source/config/configitem.cxx
> #4 in utl::ConfigItem::GetProperties(this=0x61100000cad0, rNames=uno::Sequence of length 6 = {...}) in core/unotools/source/config/configitem.cxx
> #5 in SvtSysLocaleOptions_Impl::SvtSysLocaleOptions_Impl(this=0x61100000cad0) in core/unotools/source/config/syslocaleoptions.cxx
[...]

Change-Id: I51127d82aea927dd9aaf374880c406dbafaddcde
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/140658
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

0 files changed, 0 insertions, 0 deletions