wxGUI (menuform): do not use wx.CallAfter() to select first tab [sync'ed with develbr6]

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@31227 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/gui_modules/menuform.py

@@ -887,7 +887,8 @@ class cmdPanel(wx.Panel):
         self.notebook.AddPage(self.manual_tab, text=_("Manual"))
         self.manual_tab_id = self.notebook.GetPageCount() - 1
 
-        wx.CallAfter(self.notebook.SetSelection, 0)
+        self.notebook.SetSelection(0)
+
         panelsizer.Add(item=self.notebook, proportion=1, flag=wx.EXPAND )
 
         #