fdo#64447 when changing setup mode, trigger changed DatasourceType event

Change-Id: I961118331f534de103b83766a2c21a6bec479241

dbaccess/source/ui/dlg/generalpage.cxx

@@ -588,6 +588,7 @@ namespace dbaui
     {
         if ( m_aCreationModeHandler.IsSet() )
             m_aCreationModeHandler.Call( this );
+        OnDatasourceTypeSelected(m_pDatasourceType);
         return 1L;
     }