feat(l10n): enhance feed decorator dismissal UX

- Update localization files for both Arabic and English
- Improve confirmation message for dismissed decorators
- Add new localization for hide action

Author: fulleni

lib/l10n/arb/app_ar.arb

@@ -1502,8 +1502,12 @@
     "@sourceTypeOthers": {
         "description": "نوع المصدر بصيغة الجمع لأخرى"
     },
-    "decoratorDismissedConfirmation": "تم تجاهل هذه البطاقة.",
+    "decoratorDismissedConfirmation": "تم إخفاء الاقتراح.",
     "@decoratorDismissedConfirmation": {
-        "description": "رسالة تأكيد تظهر بدلاً من مزين الخلاصة بعد أن يتجاهله المستخدم."
+        "description": "رسالة تأكيد سهلة الاستخدام تظهر بدلاً من مزين الخلاصة بعد أن يتجاهله المستخدم."
+    },
+    "decoratorDismissAction": "إخفاء الاقتراح",
+    "@decoratorDismissAction": {
+        "description": "النص الخاص بعنصر القائمة الذي يسمح للمستخدم بإخفاء أو تجاهل مزين الخلاصة."
     }
 }

lib/l10n/arb/app_en.arb

@@ -1502,8 +1502,12 @@
     "@sourceTypeOthers": {
         "description": "Plural source type for Other"
     },
-    "decoratorDismissedConfirmation": "This card has been dismissed.",
+    "decoratorDismissedConfirmation": "Suggestion hidden.",
     "@decoratorDismissedConfirmation": {
-        "description": "Confirmation message shown in place of a feed decorator after it has been dismissed by the user."
+        "description": "User-friendly confirmation message shown in place of a feed decorator after it has been dismissed."
+    },
+    "decoratorDismissAction": "Hide suggestion",
+    "@decoratorDismissAction": {
+        "description": "The text for the menu item that allows a user to hide or dismiss a feed decorator."
     }
 }