Update order confirmation modal title for clarity

Modify the order confirmation modal title in both Arabic and English locale files to a generic confirmation message, resolving a UI redundancy where the item name was displayed twice.

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artifacts/tx-os/src/locales/ar.json

@@ -106,7 +106,7 @@
     "category": "التصنيف",
     "free": "مجاني",
     "order": "اطلب",
-    "orderModalTitle": "اطلب: {{name}}",
+    "orderModalTitle": "تأكيد الطلب",
     "orderNotes": "ملاحظات (اختياري)",
     "orderNotesPlaceholder": "أي ملاحظات إضافية؟",
     "orderNotesCounter": "{{count}}/500",

artifacts/tx-os/src/locales/en.json

@@ -106,7 +106,7 @@
     "category": "Category",
     "free": "Free",
     "order": "Order",
-    "orderModalTitle": "Order: {{name}}",
+    "orderModalTitle": "Confirm order",
     "orderNotes": "Notes (optional)",
     "orderNotesPlaceholder": "Any extra notes?",
     "orderNotesCounter": "{{count}}/500",