Merge pull request #22919 from asmorkalov:as/gstreamer_read_timeout

Address https://github.com/opencv/opencv/issues/22868
Used the same defaults as it's done for FFmpeg

### 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
- [ ] 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


```
force_builders=Custom
build_image:Custom=gstreamer:16.04
buildworker:Custom=linux-1
```

modules/videoio/test/test_gstreamer.cpp

@@ -151,4 +151,31 @@ TEST(videoio_gstreamer, gray16_writing)
     EXPECT_EQ(0, remove(temp_file.c_str()));
 }
 
+TEST(videoio_gstreamer, timeout_property)
+{
+    if (!videoio_registry::hasBackend(CAP_GSTREAMER))
+        throw SkipTestException("GStreamer backend was not found");
+
+    VideoCapture cap;
+    cap.open("videotestsrc ! appsink", CAP_GSTREAMER);
+    ASSERT_TRUE(cap.isOpened());
+    const double default_timeout = 30000; // 30 seconds
+    const double open_timeout = 5678; // 3 seconds
+    const double read_timeout = 1234; // 1 second
+    EXPECT_NEAR(default_timeout, cap.get(CAP_PROP_OPEN_TIMEOUT_MSEC), 1e-3);
+    const double current_read_timeout = cap.get(CAP_PROP_READ_TIMEOUT_MSEC);
+    const bool read_timeout_supported = current_read_timeout > 0.0;
+    if (read_timeout_supported)
+    {
+        EXPECT_NEAR(default_timeout, current_read_timeout, 1e-3);
+    }
+    cap.set(CAP_PROP_OPEN_TIMEOUT_MSEC, open_timeout);
+    EXPECT_NEAR(open_timeout, cap.get(CAP_PROP_OPEN_TIMEOUT_MSEC), 1e-3);
+    if (read_timeout_supported)
+    {
+        cap.set(CAP_PROP_READ_TIMEOUT_MSEC, read_timeout);
+        EXPECT_NEAR(read_timeout, cap.get(CAP_PROP_READ_TIMEOUT_MSEC), 1e-3);
+    }
+}
+
 }} // namespace