[FIX] analytic: missing depends

This commit adds a missing `depends` on the `debit` and `credit` computed
field on analytic account model. Indeed, without that, the recompute is not
done when accessing thoses fields after adding lines in the same
transaction (like in tests).

Task-1911581

addons/analytic/models/analytic_account.py

@@ -78,6 +78,7 @@ class AccountAnalyticAccount(models.Model):
                 line['credit'] = sum(accounts.mapped('credit'))
         return res
 
+    @api.depends('line_ids.amount')
     def _compute_debit_credit_balance(self):
         Curr = self.env['res.currency']
         analytic_line_obj = self.env['account.analytic.line']