Fix: fallback to device locale on language only match

mobile/lib/l10n/l10n.dart

@@ -34,18 +34,22 @@ Locale? autoDetectedLocale;
 
 Locale localResolutionCallBack(deviceLocales, supportedLocales) {
   _onDeviceLocales = deviceLocales;
-  debugPrint("onDeviceLocales: ${_onDeviceLocales.toString()}");
+  Locale? firstLangeuageMatch;
   for (Locale deviceLocale in deviceLocales) {
     for (Locale supportedLocale in appSupportedLocales) {
       if (supportedLocale == deviceLocale) {
         autoDetectedLocale = supportedLocale;
         return supportedLocale;
-      } else if (supportedLocale.languageCode == deviceLocale.languageCode) {
-        autoDetectedLocale = supportedLocale;
-        return supportedLocale;
+      }
+      if (firstLangeuageMatch == null &&
+          supportedLocale.languageCode == deviceLocale.languageCode) {
+        firstLangeuageMatch = deviceLocale;
       }
     }
   }
+  if (firstLangeuageMatch != null) {
+    autoDetectedLocale = firstLangeuageMatch;
+  }
   return autoDetectedLocale ?? const Locale('en');
 }
 

mobile/lib/ui/settings/language_picker.dart

@@ -98,11 +98,21 @@ class _ItemsWidgetState extends State<ItemsWidget> {
   @override
   Widget build(BuildContext context) {
     items.clear();
+    bool foundMatch = false;
     for (Locale locale in widget.supportedLocales) {
+      if (currentLocale == locale) {
+        foundMatch = true;
+      }
       items.add(
         _menuItemForPicker(locale),
       );
     }
+    if (!foundMatch && kDebugMode) {
+      items.insert(
+        0,
+        Text("(i) Locale : ${currentLocale.toString()}"),
+      );
+    }
     items = addSeparators(
       items,
       DividerWidget(