Merge pull request #25035 from AleksandrPanov:fix_Barcode_detectAndDecode

Fix barcode detectAndDecode #25035

The method `detectAndDecode()` in the `BarcodeDetector` class doesn't return the barcode corners.
This PR fixes the and add test for `detectAndDecode`.

### Pull Request Readiness Checklist

See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request

- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
- [x] The PR is proposed to the proper branch
- [x] There is a reference to the original bug report and related work
- [x] There is accuracy test, performance test and test data in opencv_extra repository, if applicable
      Patch to opencv_extra has the same branch name.
- [ ] The feature is well documented and sample code can be built with the project CMake

modules/objdetect/test/test_barcode.cpp

@@ -95,6 +95,13 @@ TEST_P(BarcodeDetector_main, interface)
         EXPECT_EQ(1u, expected_lines.count(res));
     }
 
+    {
+        string res = det.detectAndDecode(img, points);
+        ASSERT_FALSE(res.empty());
+        EXPECT_EQ(1u, expected_lines.count(res));
+        EXPECT_EQ(4u, points.size());
+    }
+
     // common interface (multi)
     {
         bool res = det.detectMulti(img, points);