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/__init__.py

@@ -0,0 +1,11 @@
+from . import delivery_carrier
+from . import product_packaging
+from . import res_company
+from . import res_partner
+from . import payment_provider
+from . import uom_uom
+from . import fusion_shipment
+from . import fusion_tracking_event
+from . import fusion_order_package
+from . import sale_order
+from . import stock_picking