[mob][photos] Extract string

mobile/lib/generated/intl/messages_en.dart

@@ -1000,6 +1000,8 @@ class MessageLookup extends MessageLookupByLibrary {
             MessageLookupByLibrary.simpleMessage("Or pick an existing one"),
         "pair": MessageLookupByLibrary.simpleMessage("Pair"),
         "pairWithPin": MessageLookupByLibrary.simpleMessage("Pair with PIN"),
+        "pairingComplete":
+            MessageLookupByLibrary.simpleMessage("Pairing complete"),
         "passkey": MessageLookupByLibrary.simpleMessage("Passkey"),
         "passkeyAuthTitle":
             MessageLookupByLibrary.simpleMessage("Passkey verification"),

mobile/lib/generated/l10n.dart

@@ -8683,6 +8683,16 @@ class S {
       args: [],
     );
   }
+
+  /// `Pairing complete`
+  String get pairingComplete {
+    return Intl.message(
+      'Pairing complete',
+      name: 'pairingComplete',
+      desc: '',
+      args: [],
+    );
+  }
 }
 
 class AppLocalizationDelegate extends LocalizationsDelegate<S> {

mobile/lib/l10n/intl_en.arb

@@ -1224,5 +1224,6 @@
   "stopCastingTitle": "Stop casting",
   "stopCastingBody": "Do you want to stop casting?",
   "castIPMismatchTitle": "Failed to cast album",
-  "castIPMismatchBody": "Please make sure you are on the same network as the TV."
+  "castIPMismatchBody": "Please make sure you are on the same network as the TV.",
+  "pairingComplete": "Pairing complete"
 }

mobile/lib/ui/viewer/gallery/gallery_app_bar_widget.dart

@@ -944,7 +944,7 @@ class _GalleryAppBarWidgetState extends State<GalleryAppBarWidget> {
         widget.collection!.id,
         castToken,
       );
-      showToast(context, "Pairing complete");
+      showToast(context, S.of(context).pairingComplete);
       return true;
     } catch (e, s) {
       _logger.severe("Failed to cast album", e, s);