feat: separate fusion field service and LTC into standalone modules, update core modules

- fusion_claims: separated field service logic, updated controllers/views
- fusion_tasks: updated task views and map integration
- fusion_authorizer_portal: added page 11 signing, schedule booking, migrations
- fusion_shipping: new standalone shipping module (Canada Post, FedEx, DHL, Purolator)
- fusion_ltc_management: new standalone LTC management module

fusion_shipping/models/res_partner.py

@@ -0,0 +1,11 @@
+from odoo import fields, models
+
+
+class ResPartner(models.Model):
+    _inherit = 'res.partner'
+
+    property_ups_carrier_account = fields.Char(
+        string="UPS Account Number",
+        company_dependent=True,
+        help="UPS carrier account number for bill-my-account shipping.",
+    )