Qr Manager translated

lib/ui/qr_manager_mobile.dart

 // Import only for Android
 import 'package:barcode_scan2/barcode_scan2.dart';
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 
@@ -17,11 +18,11 @@ class QrManager {
 
   static Future<String?> _mobileQrScan() async {
     final ScanResult result = await BarcodeScanner.scan(
-      options: const ScanOptions(
+      options: ScanOptions(
         strings: <String, String>{
-          'cancel': 'CANCEL',
-          'flash_on': 'FLASH ON',
-          'flash_off': 'FLASH OFF',
+          'cancel': tr('qr_scanner_cancel'),
+          'flash_on': tr('qr_scanner_flash_on'),
+          'flash_off': tr('qr_scanner_flash_off'),
         },
         restrictFormat: <BarcodeFormat>[BarcodeFormat.qr],
         // useCamera: -1,

lib/ui/qr_manager_web.dart

@@ -37,7 +37,7 @@ class QrManager {
             insetPadding: const EdgeInsets.all(5),
             shape: const RoundedRectangleBorder(
                 borderRadius: BorderRadius.all(Radius.circular(10.0))),
-            title: const Text('Scan QR Code'),
+            title: Text(tr('qr_scanner_title')),
             content: SizedBox(height: height, width: width, child: sc),
           );
         });