Update Next.js to version 15.4.2 and refactor invoice pages

- Upgrade Next.js and related packages for improved performance and security
- Refactor invoice-related pages to streamline navigation and enhance user experience
- Consolidate invoice editing and viewing functionality into a single page
- Remove deprecated edit page and implement a new view page for invoices
- Update links and routing for consistency across the dashboard

src/components/data/current-open-invoice-card.tsx

@@ -143,7 +143,7 @@ export function CurrentOpenInvoiceCard() {
             </Link>
           </Button>
           <Button asChild variant="brand" size="sm" className="flex-1">
-            <Link href={`/dashboard/invoices/${currentInvoice.id}/edit`}>
+            <Link href={`/dashboard/invoices/${currentInvoice.id}`}>
               <Edit className="mr-2 h-3 w-3" />
               Continue
             </Link>

src/components/data/invoice-list.tsx

@@ -150,12 +150,12 @@ export function InvoiceList() {
               <CardTitle className="flex items-center justify-between">
                 <span className="truncate">{invoice.invoiceNumber}</span>
                 <div className="flex space-x-1">
-                  <Link href={`/invoices/${invoice.id}`}>
+                  <Link href={`/dashboard/invoices/${invoice.id}/view`}>
                     <Button variant="ghost" size="sm">
                       <Eye className="h-4 w-4" />
                     </Button>
                   </Link>
-                  <Link href={`/invoices/${invoice.id}/edit`}>
+                  <Link href={`/dashboard/invoices/${invoice.id}`}>
                     <Button variant="ghost" size="sm">
                       <Edit className="h-4 w-4" />
                     </Button>