feat: enhance invoice saving functionality with new top fields and transport modes

- Added InvoiceTopFieldsFormData to handle additional invoice fields.
- Updated saveInvoice function to validate and process new fields.
- Integrated transport modes fetching in the invoice edit page.
- Refactored financials and compliance data handling to accommodate new structure.
- Improved user feedback with toast notifications instead of alerts.

backend/api/v1/modules/a76/customs_brokers/dto.py

@@ -5,6 +5,7 @@ from pydantic import BaseModel
 
 class CustomsBrokerBaseDTO(BaseModel):
     """Base fields for CustomsBroker"""
+
     type: Optional[str] = None
     name: Optional[str] = None
     address: Optional[str] = None
@@ -25,16 +26,20 @@ class CustomsBrokerBaseDTO(BaseModel):
 
 class CustomsBrokerCreateDTO(CustomsBrokerBaseDTO):
     """Schema for creating a new CustomsBroker"""
+
     broker_key: str
 
 
 class CustomsBrokerUpdateDTO(CustomsBrokerBaseDTO):
     """Schema for updating an existing CustomsBroker"""
+
     pass
 
 
 class CustomsBrokerResponseDTO(CustomsBrokerBaseDTO):
     """Schema for CustomsBroker response"""
+
+    id: int
     broker_key: str
     tenant_id: int
     company_id: int