Use a natural string sort for all strings in the object inspector tree view. This is more useful for properties as those can have indices, which are shown as numbers, so having them in natural order makes the tree view easier to digest. Change-Id: I7d036cd755f6595fa302c7a28a005684897f2963 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/134541 Tested-by: Jenkins Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>