wxGUI: enable subgroup by default (most of imagery modules require subgroup to be set)

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@54266 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/gui_core/dialogs.py

@@ -1024,6 +1024,7 @@ class GroupDialog(wx.Dialog):
         
         self.subGroup = wx.CheckBox(parent = self, id = wx.ID_ANY,
                                     label = _("Define also sub-group (same name as group)"))
+        self.subGroup.SetValue(True) # most of imagery modules requires also subgroup
         bodySizer.Add(item = self.subGroup, flag = wx.BOTTOM | wx.EXPAND, border = 5)
 
         # bindings