Describe the bug
Deselecting all maps from Image create/edit group dialog is not working.

To Reproduce
Steps to reproduce the behavior:

1. Launc wxGUI
2. From the main window menu choose Imagery -> Develop images and groups -> Create/edit group
3. Select some existed group e.g. nitrogen
4. Check Select all checkbox widget
5. Uncheck Select all checkbox widget
6. See error

Traceback (most recent call last):
  File
"/usr/lib64/grass83/gui/wxpython/gui_core/dialogs.py", line
987, in OnGSelAll

self.gLayerBox.DeselectAll()
AttributeError
:
'ListBox' object has no attribute 'DeselectAll'

Expected behavior
Deselecting all maps from Image create/edit group dialog should be work without error.

System description (please complete the following information):

• Operating System: all
• GRASS GIS version: all