v4l2object: ignore colorimetry addition in v4l2 plugin sink caps
requested to merge Shengqi.Yu/gstreamer:ignore-colorimetry-addition-in-v4l2-plugin-sink-caps into main
When run pipeline with v4l2videodecoder and v4l2convert, decoder and parser/demux negotiate a specific colorimetry which is not included in video-color colorimertry list. when specific colorimetry negotiate with v4l2convert sink caps which not include the colorimetry, and it will casue the caps negotiation to fail.