[FIX] l10n_at: tax template repartition lines

1) The aim of this commit is to make the tax template more consistent with
the instanciated tax.
Indeed a tax wouldn't pass the constrains if it hadn't all its
repartition line.

2) Make the refund consistent with the rest of the taxes.

closes odoo/odoo#130706

Task-id: None
Signed-off-by: Florian Gilbert (flg) <flg@odoo.com>

addons/l10n_at/data/account_tax_template.xml

@@ -1453,6 +1453,20 @@
                   'minus_report_line_ids': [ref('tax_report_line_l10n_at_tva_line_4_33')],
                 }),
             ]"/>
+            <field name="refund_repartition_line_ids" eval="[(5, 0, 0),
+                (0,0,{
+                  'factor_percent': 100,
+                  'repartition_type': 'base',
+                  'minus_report_line_ids': [ref('tax_report_line_l10n_at_tva_line_4_33'),
+                    ref('tax_report_line_l10n_at_tva_line_4_17_base')],
+                }),
+                (0,0,{
+                  'factor_percent': 100,
+                  'repartition_type': 'tax',
+                  'account_id': ref('chart_at_template_3505'),
+                  'plus_report_line_ids': [ref('tax_report_line_l10n_at_tva_line_4_33')],
+                }),
+            ]"/>
         </record>
 
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