feat(localization): add Arabic translations and update deleted item snackbar message

- Add Arabic translations for item action confirmations in app_ar.arb
- Update app_en.arb to include item deletion snackbar message
- Modify existing confirmation messages for consistency across both languages

Author: fulleni

lib/l10n/arb/app_ar.arb

@@ -2776,5 +2776,19 @@
   "deleteItemContent": "هل أنت متأكد أنك تريد حذف هذا العنصر؟.",
   "@deleteItemContent": {
     "description": "Confirmation dialog content for deleting an item."
+  },
+  "itemDeletedSnackbar": "تم حذف {itemType} \"{itemName}\".",
+  "@itemDeletedSnackbar": {
+    "description": "Snackbar message shown after an item is deleted, with an undo option.",
+    "placeholders": {
+      "itemType": {
+        "type": "String",
+        "example": "Headline"
+      },
+      "itemName": {
+        "type": "String",
+        "example": "Breaking News Story"
+      }
+    }
   }
 }

lib/l10n/arb/app_en.arb

@@ -2742,36 +2742,49 @@
     "description": "Subtitle for the breaking news filter switch"
   },
   "publishItemTitle": "Republish Item?",
-"@publishItemTitle": {
-  "description": "Confirmation dialog title for publishing an item."
-},
-"publishItemContent": "Are you sure you want to republish this item? It will become publicly visible.",
-"@publishItemContent": {
-  "description": "Confirmation dialog content for publishing an item."
-},
-"archiveItemTitle": "Archive Item?",
-"@archiveItemTitle": {
-  "description": "Confirmation dialog title for archiving an item."
-},
-"archiveItemContent": "Are you sure you want to archive this item? It will be hidden from public view.",
-"@archiveItemContent": {
-  "description": "Confirmation dialog content for archiving an item."
-},
-"restoreItemTitle": "Restore Item?",
-"@restoreItemTitle": {
-  "description": "Confirmation dialog title for restoring an item."
-},
-"restoreItemContent": "Are you sure you want to restore this item? It will become active and publicly visible again.",
-"@restoreItemContent": {
-  "description": "Confirmation dialog content for restoring an item."
-},
-"deleteItemTitle": "Delete Item?",
-"@deleteItemTitle": {
-  "description": "Confirmation dialog title for deleting an item."
-},
-"deleteItemContent": "Are you sure you want to delete this item?.",
-"@deleteItemContent": {
-  "description": "Confirmation dialog content for deleting an item."
-}
-
+  "@publishItemTitle": {
+    "description": "Confirmation dialog title for publishing an item."
+  },
+  "publishItemContent": "Are you sure you want to republish this item? It will become publicly visible.",
+  "@publishItemContent": {
+    "description": "Confirmation dialog content for publishing an item."
+  },
+  "archiveItemTitle": "Archive Item?",
+  "@archiveItemTitle": {
+    "description": "Confirmation dialog title for archiving an item."
+  },
+  "archiveItemContent": "Are you sure you want to archive this item? It will be hidden from public view.",
+  "@archiveItemContent": {
+    "description": "Confirmation dialog content for archiving an item."
+  },
+  "restoreItemTitle": "Restore Item?",
+  "@restoreItemTitle": {
+    "description": "Confirmation dialog title for restoring an item."
+  },
+  "restoreItemContent": "Are you sure you want to restore this item? It will become active and publicly visible again.",
+  "@restoreItemContent": {
+    "description": "Confirmation dialog content for restoring an item."
+  },
+  "deleteItemTitle": "Delete Item?",
+  "@deleteItemTitle": {
+    "description": "Confirmation dialog title for deleting an item."
+  },
+  "deleteItemContent": "Are you sure you want to delete this item?.",
+  "@deleteItemContent": {
+    "description": "Confirmation dialog content for deleting an item."
+  },
+  "itemDeletedSnackbar": "{itemType} \"{itemName}\" deleted.",
+  "@itemDeletedSnackbar": {
+    "description": "Snackbar message shown after an item is deleted, with an undo option.",
+    "placeholders": {
+      "itemType": {
+        "type": "String",
+        "example": "Headline"
+      },
+      "itemName": {
+        "type": "String",
+        "example": "Breaking News Story"
+      }
+    }
+  }
 }