[ADD] search on new account_invoice_report fields

__manifest__.py

@@ -12,6 +12,7 @@
         # templates
         "templates/report_invoice_document.xml",
         # views
+        "views/account_invoice_report.xml",
         "views/account_move.xml",
         "views/account_journal.xml",
         "views/product.xml",

views/account_invoice_report.xml

+<?xml version="1.0" encoding="utf-8" ?>
+<odoo>
+    <record id="view_account_invoice_report_search_inherit" model="ir.ui.view">
+        <field name="name">account.invoice.report.search.afac</field>
+        <field name="model">account.invoice.report</field>
+        <field name="inherit_id" ref="account.view_account_invoice_report_search" />
+        <field name="arch" type="xml">
+            <field name="duemonth" position="after">
+                <separator orientation="vertical" />
+                <field
+                    string="Région d'implantation"
+                    name="region_id"
+                    context="{'group_by': 'region_id'}"
+                />
+                <field
+                    string="Statut d’adhésion actuel"
+                    name="membership_state"
+                    context="{'group_by': 'membership_state'}"
+                />
+            </field>
+        </field>
+    </record>
+</odoo>