Update handling of Quantization Table header for Motion JPEG

## Description Update handling of Quantization Table header for Motion JPEG ## Related Issue https://github.com/mpromonet/v4l2rtspserver/issues/253 ## Motivation and Context When we use Motion JPEG and it has 2 quantization tables in one DQT, it is solved the image with strange color component. ## Types of changes <!--- What types of changes does your code introduce? Put an `x` in all the boxes that apply: --> - [ ] Docs change / refactoring / dependency upgrade - [x ] Bug fix (non-breaking change which fixes an issue) - [ ] New feature (non-breaking change which adds functionality) - [ ] Breaking change (fix or feature that would cause existing functionality to change)