fix(settings): update All Invoices modal to show 5 items per page with pagination

- Changed INVOICES_PER_PAGE from 10 to 5
- Modal properly opens from Invoices section when clicking 'View All'
- Supports pagination with multiple pages in the popup

chat/public/settings.html

@@ -1215,7 +1215,7 @@
     let currentPlan = '';
     let allInvoices = [];
     let currentInvoicePage = 1;
-    const INVOICES_PER_PAGE = 10;
+    const INVOICES_PER_PAGE = 5;
     const PLAN_ALIASES = { business: 'professional' };
 
     function showConfirmModal({ title, body, icon, onConfirm }) {