wxGUI/modeler: disable button 'OK'

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@48136 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/gui_modules/gmodeler.py

@@ -2481,6 +2481,7 @@ class ModelSearchDialog(wx.Dialog):
         """!Reset dialog"""
         self.search.Reset()
         self.cmd_prompt.OnCmdErase(None)
+        self.btnOk.Enable(False)
 
 class ModelRelation(ogl.LineShape):
     """!Data - action relation"""