[GRASS-git] [OSGeo/grass] 161672: wxGUI: small refactoring of mapframe (#1669)

[Anna Petrasova]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass
  Commit: 161672df36f4207ec2962340e04ae60b975d92b9
      https://github.com/OSGeo/grass/commit/161672df36f4207ec2962340e04ae60b975d92b9
  Author: Anna Petrasova <kratochanna at gmail.com>
  Date:   2021-06-21 (Mon, 21 Jun 2021)

  Changed paths:
    M gui/wxpython/lmgr/frame.py
    M gui/wxpython/lmgr/layertree.py
    M gui/wxpython/mapdisp/frame.py

  Log Message:
  -----------
  wxGUI: small refactoring of mapframe (#1669)

Removes the need for keeping references to notebook and layertree in map display