Pin table sorting doesn't work on value columns

[ivantaran]

if in [Symbol Editor - pin table editor] select sorting f.e. Y Position:
result: -6.8 -6.6 -6.4 -7.8 -7.6 -7.4
must be: -6.4 -6.6 -6.8 -7.4 -7.6 -7.8

Application: kicad
Version: (6.0.0-rc1-dev-714-g3024ded91), release build
Libraries:
    wxWidgets 3.0.4
    libcurl/7.58.0 GnuTLS/3.5.18 zlib/1.2.11 libidn2/2.0.4 libpsl/0.19.1 (+libidn2/2.0.4) nghttp2/1.30.0 librtmp/2.3
Platform: Linux 4.15.0-36-generic x86_64, 64 bit, Little endian, wxGTK
Build Info:
    wxWidgets: 3.0.4 (wchar_t,wx containers,compatible with 2.8) GTK+ 2.24
    Boost: 1.65.1
    OpenCASCADE Community Edition: 6.9.1
    Curl: 7.58.0
    Compiler: GCC 7.3.0 with C++ ABI 1011
Build settings:
    USE_WX_GRAPHICS_CONTEXT=OFF
    USE_WX_OVERLAY=OFF
    KICAD_SCRIPTING=ON
    KICAD_SCRIPTING_MODULES=ON
    KICAD_SCRIPTING_WXPYTHON=OFF
    KICAD_SCRIPTING_ACTION_MENU=ON
    BUILD_GITHUB_PLUGIN=ON
    KICAD_USE_OCE=ON
    KICAD_USE_OCC=OFF
    KICAD_SPICE=ON

[KiCad Janitor (kicad-janitor)]

Fixed in revision 55c1ca1191e2913a5f70e0f2fa812adb28211dfb
https://git.launchpad.net/kicad/patch/?id=55c1ca1191e2913a5f70e0f2fa812adb28211dfb