wxGUI: auto-rendering enabled by default

       (merge https://trac.osgeo.org/grass/changeset/39680 from devbr6)


git-svn-id: https://svn.osgeo.org/grass/grass/trunk@39681 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/gui_modules/preferences.py

@@ -102,7 +102,7 @@ class Settings:
                     'enabled' : False
                     },
                 'autoRendering': {
-                    'enabled' : False
+                    'enabled' : True
                     },
                 'autoZooming' : {
                     'enabled' : False