[FIX] sale: config, timesheet if module account_analytic_analysis

In Settings > Sales, the onchange_timesheet ensure that if you check timesheet, it checks module_account_analytic_analysis.

Therefore, if module_account_analytic_analysis is installed, timesheet should be checked by default
Until now, it worked "luckily", because the onchange_timesheet of the field module_account_analytic_analysis was triggered before the onchange_timesheet of the timesheet field. Nevertheless, we shouldn't trust the onchange calls order.

addons/sale/res_config.py

@@ -91,6 +91,7 @@ Example: Product: this product is deprecated, do not purchase more than 5.
             except ValueError:
                 # keep default value in that case
                 _logger.warning("Product with xml_id 'product.product_product_consultant' not found")
+        res['timesheet'] = res.get('module_account_analytic_analysis')
         return res
 
     def _get_default_time_unit(self, cr, uid, context=None):