these maps do not need ordering, and unordered_map is both faster and more memory dense. Change-Id: If3bb393b186041b65dd7b4226ecdfd6af3c45aad Signed-off-by: Noel Grandin <noelgrandin@collabora.com> Reviewed-on: https://gerrit.collaboraoffice.com/c/online/+/9929 Reviewed-by: Caolán McNamara <caolan.mcnamara@collabora.com> Tested-by: Jenkins CPCI <releng@collaboraoffice.com> (cherry picked from commit b815bac54370e345c6a1254ce34a85deb24dfc3f) Reviewed-on: https://gerrit.libreoffice.org/c/core/+/210493 Tested-by: Xisco Fauli <xiscofauli@libreoffice.org> Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>