feat: correct total tax on incoming invoices

frontend/composables/useSum.js

@@ -12,17 +12,15 @@ export const useSum = () => {
     }
 
     const getIncomingInvoiceSum = (invoice) => {
-        let sum = 0
-        invoice.accounts.forEach(account => {
+        const totals = (invoice.accounts || []).reduce((result, account) => ({
+            net: result.net + Number(account.amountNet || 0),
+            tax: result.tax + Number(account.amountTax || 0)
+        }), { net: 0, tax: 0 })
+        const tax = invoice.taxAmountOverride !== null && invoice.taxAmountOverride !== undefined && invoice.taxAmountOverride !== ""
+            ? Number(invoice.taxAmountOverride)
+            : totals.tax
 
-
-            sum += account.amountTax
-            sum += account.amountNet
-
-
-
-        })
-        return sum.toFixed(2)
+        return (totals.net + tax).toFixed(2)
     }
 
     const getCreatedDocumentSum = (createddocument,createddocuments = []) => {