[ADD] new module confirm_many2one_create

Pure JS module to override the behaviour of Many2One fields, causing
them to open a confirmation dialog when the user selects the "Create"
option from the autocomplete list of a Many2One field with quick create
enabled.

confirm_many2one_create/__manifest__.py

@@ -0,0 +1,35 @@
+#
+#    Bemade Inc.
+#
+#    Copyright (C) 2023-June Bemade Inc. (<https://www.bemade.org>).
+#    Author: Marc Durepos (Contact : marc@bemade.org)
+#
+#    This program is under the terms of the GNU Lesser General Public License,
+#    version 3.
+#
+#    For full license details, see https://www.gnu.org/licenses/lgpl-3.0.en.html.
+#
+#    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+#    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+#    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+#    IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+#    DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+#    ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+#    DEALINGS IN THE SOFTWARE.
+#
+{
+    "name": "Many2one Confirm Creation",
+    "version": "17.0.1.0.0",
+    "summary": "Pop up a confirmation dialog when creating via a Many2one field",
+    "category": "Web",
+    "author": "Bemade Inc.",
+    "website": "http://www.bemade.org",
+    "license": "LGPL-3",
+    "depends": ["web"],
+    "data": [],
+    "assets": {
+        "web.assets_backend": ["confirm_many2one_create/src/js/many2one_field.esm.js"]
+    },
+    "installable": True,
+    "auto_install": False,
+}

confirm_many2one_create/src/js/many2one_field.esm.js

@@ -0,0 +1,12 @@
+/** @odoo-module **/
+
+import {Many2OneField} from "@web/views/fields/many2one/many2one_field";
+import {patch} from "@web/core/utils/patch";
+
+patch(Many2OneField.prototype, {
+  get Many2XAutocompleteProps() {
+    const props = super.Many2XAutocompleteProps();
+    props.quickCreate = this.openConfirmationDialog.bind(this);
+    return props;
+  },
+});