Output string representation of NumPy array type if it is not convertible to OpenCV Mat type

Example output from the test:

cv2.error: OpenCV(4.8.0-dev) :-1: error: (-5:Bad argument) in function 'dumpInputArray'
> Overload resolution failed:
>  - argument data type = object is not supported
>  - Expected Ptr<cv::UMat> for argument 'argument'

Resolves: #23106

Pull Request Readiness Checklist

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

• I agree to contribute to the project under Apache 2 License.
• 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
• The PR is proposed to the proper branch
• 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