[GRASS-git] [OSGeo/grass] 55079f: wxGUI: add single window to settings (#1810)

[Anna Petrasova]

  Branch: refs/heads/main
  Home:   https://github.com/OSGeo/grass
  Commit: 55079f3bdbe36a2d26fa690d0b708cf2398aac24
      https://github.com/OSGeo/grass/commit/55079f3bdbe36a2d26fa690d0b708cf2398aac24
  Author: Anna Petrasova <kratochanna at gmail.com>
  Date:   2022-01-02 (Sun, 02 Jan 2022)

  Changed paths:
    M gui/wxpython/core/settings.py
    M gui/wxpython/gui_core/preferences.py
    M gui/wxpython/main_window/frame.py
    M gui/wxpython/wxgui.py

  Log Message:
  -----------
  wxGUI: add single window to settings (#1810)

* add note it's experimental
* fix saving settings, fix for Python 3.10