Update Dominican withholding catalog

Apply the Article 309 rates introduced by Law 30-26 with dated historical templates and rules. Complete tax-code reversals, improve English terminology, harden migrations, and expand structural and functional tests.

ir.py

@@ -5,7 +5,7 @@ from sql import Table
 from trytond.pool import PoolMeta
 from trytond.transaction import Transaction
 
-LEGACY_OBSOLETE_IDS = {
+LEGACY_OBSOLETE_IDS = frozenset({
     'do_tax_itbis_8_compra', 'do_tax_itbis_8_venta',
     'do_tax_itbis_9_compra', 'do_tax_itbis_9_venta',
     'do_tax_ret_itbis_2_adq',
@@ -23,9 +23,9 @@ LEGACY_OBSOLETE_IDS = {
     'do_trline_cust_card_acquirer',
     'do_trline_cust_itbis8', 'do_trline_cust_itbis9',
     'do_trline_supp_itbis8', 'do_trline_supp_itbis9',
-    }
+    })
 
-LOCALIZATION_MODELS = {
+LOCALIZATION_MODELS = frozenset({
     'account.account.template',
     'account.account.type.template',
     'account.tax.code.line.template',
@@ -34,7 +34,7 @@ LOCALIZATION_MODELS = {
     'account.tax.rule.line.template',
     'account.tax.rule.template',
     'account.tax.template',
-    }
+    })
 
 
 class ModelData(metaclass=PoolMeta):
@@ -58,7 +58,7 @@ class ModelData(metaclass=PoolMeta):
         cursor.execute(*table.select(
                 table.id, table.fs_id,
                 where=(table.module == 'account_do')
-                & table.model.in_(tuple(LOCALIZATION_MODELS))))
+                & table.model.in_(tuple(sorted(LOCALIZATION_MODELS)))))
         obsolete = []
         for record_id, fs_id in cursor.fetchall():
             if fs_id in LEGACY_OBSOLETE_IDS: