[FIX] web: error when checking amount in currency

How to reproduce
================

* Install the account_accountant module
* Go to `Journal Items`
* Select the pivot view
* Select the measure `Amount in Currency`

=> A traceback will occur

Cause
=====

Field amount_currency has group_operator set to none to avoid grouping
several amount in different current together.

Proposed fix
============

If the `group_operator==None`, The field will not be shown as
aggregator.

opw-3061776

closes odoo/odoo#124179

X-original-commit: beccce4d5ec26e885c06c5af4cb1d6147cb0e91f
Related: odoo/enterprise#42127
Signed-off-by: Mathieu Duckerts-Antoine <dam@odoo.com>
Signed-off-by: Nicolas Lempereur (nle) <nle@odoo.com>
Co-authored-by: Nicolas Lempereur <nle@odoo.com>

addons/web/static/src/views/utils.js

@@ -136,7 +136,10 @@ export const computeReportMeasures = (fields, fieldAttrs, activeMeasures) => {
         if (isInvisible) {
             continue;
         }
-        if (["integer", "float", "monetary"].includes(field.type)) {
+        if (
+            ["integer", "float", "monetary"].includes(field.type) &&
+            field.group_operator !== undefined
+        ) {
             measures[fieldName] = field;
         }
     }

addons/web/static/tests/views/pivot_view_tests.js

@@ -110,6 +110,12 @@ QUnit.module("Views", (hooks) => {
                             sortable: true,
                             store: true,
                         },
+                        price_nonaggregatable: {
+                            string: "Price non-aggregatable",
+                            type: "monetary",
+                            group_operator: undefined,
+                            store: true,
+                        },
                     },
                     records: [
                         {
@@ -441,6 +447,26 @@ QUnit.module("Views", (hooks) => {
         }
     );
 
+    QUnit.test(
+        "pivot view do not add number field without group_operator",
+        async function (assert) {
+            await makeView({
+                type: "pivot",
+                resModel: "partner",
+                serverData,
+                arch: `
+                <pivot>
+                    <field name="price_nonaggregatable"/>
+                </pivot>`,
+            });
+            await click(target.querySelector(".o_pivot_buttons button.dropdown-toggle"));
+            assert.containsNone(
+                target,
+                ".o_cp_bottom_left .dropdown-menu .dropdown-item:contains(Price non-aggregatable)"
+            );
+        }
+    );
+
     QUnit.test("clicking on a cell triggers a doAction", async function (assert) {
         assert.expect(2);