[FIX] hr_expense: mobile app link now working

Steps to reproduce
==================

- Go to Expense
- Type some random string in the search bar in order to have no match
- Click on one off the app button
-> An error occurs

Cause of the issue
==================

The QRModal was not ported to owl

opw-3070434

closes odoo/odoo#108898

X-original-commit: d3b3e6ebb228453938aeac8286f7e3a916b6a027
Signed-off-by: Kevin Baptiste <kba@odoo.com>

addons/hr_expense/static/src/components/qrcode_action.js

@@ -0,0 +1,24 @@
+/** @odoo-module */
+
+import { registry } from "@web/core/registry";
+import { Component, xml } from "@odoo/owl";
+
+const actionRegistry = registry.category("actions");
+
+class QRModalComponent extends Component {
+    setup() {
+        this.url = _.str.sprintf(
+            "/report/barcode/?barcode_type=QR&value=%s&width=256&height=256&humanreadable=1",
+            this.props.action.params.url);
+    }
+}
+
+QRModalComponent.template = xml`
+        <div style="text-align:center;" class="o_expense_modal">
+            <t t-if="url">
+                <h3>Scan this QR code to get the Odoo app:</h3><br/><br/>
+                <img class="border border-dark rounded" t-att-src="url"/>
+            </t>
+        </div>`;
+
+actionRegistry.add("expense_qr_code_modal", QRModalComponent);