refactor: update import paths for sale invoice models; add VAT handling in payload forms

src/app/domains/pos/modules/saleInvoices/services/main.service.ts

@@ -1,5 +1,6 @@
 import { IPaginatedResponse } from '@/core/models/service.model';
-import { ISaleInvoiceFullRawResponse, ISaleInvoiceFullResponse } from '@/domains/consumer/models';
+import { ISaleInvoiceFullResponse } from '@/domains/consumer/models';
+import { ISaleInvoiceFullRawResponse } from '@/shared/components/invoices/sale-invoice-full-response.model';
 import { HttpClient } from '@angular/common/http';
 import { Injectable } from '@angular/core';
 import { Observable } from 'rxjs';