[FIX] l10n_do: use the right sign on every tax tags

Some signs had been inverted when converting from 12.2 to 12.3 model.

closes odoo/odoo#34817

Signed-off-by: Laurent Smet <smetl@users.noreply.github.com>

addons/l10n_do/data/account.tax.template.xml

@@ -798,7 +798,7 @@
                     'factor_percent': 100,
                     'repartition_type': 'tax',
                     'account_id': ref('do_niif_21030203'),
-                    'plus_report_line_ids': [ref('account_tax_report_itbs_retcn_prsn')],
+                    'minus_report_line_ids': [ref('account_tax_report_itbs_retcn_prsn')],
                 }),
             ]"/>
             <field name="refund_repartition_line_ids" eval="[(5,0,0),
@@ -811,7 +811,7 @@
                     'factor_percent': 100,
                     'repartition_type': 'tax',
                     'account_id': ref('do_niif_21030203'),
-                    'minus_report_line_ids': [ref('account_tax_report_itbs_retcn_prsn')],
+                    'plus_report_line_ids': [ref('account_tax_report_itbs_retcn_prsn')],
                 }),
             ]"/>
         </record>
@@ -836,7 +836,7 @@
                     'factor_percent': 100,
                     'repartition_type': 'tax',
                     'account_id': ref('do_niif_21030202'),
-                    'plus_report_line_ids': [ref('account_tax_report_itbs_retcn_prsn')],
+                    'minus_report_line_ids': [ref('account_tax_report_itbs_retcn_prsn')],
                 }),
             ]"/>
             <field name="refund_repartition_line_ids" eval="[(5,0,0),
@@ -849,7 +849,7 @@
                     'factor_percent': 100,
                     'repartition_type': 'tax',
                     'account_id': ref('do_niif_21030202'),
-                    'minus_report_line_ids': [ref('account_tax_report_itbs_retcn_prsn')],
+                    'plus_report_line_ids': [ref('account_tax_report_itbs_retcn_prsn')],
                 }),
             ]"/>
         </record>