Task search function on hub not working correctly
When I want to look at all datasets of the category: `speech-processing`  *i.e.* https://huggingface.co/datasets?task_categories=task_categories:speech-processing&sort=downloads , then the following dataset doesn't show up for some reason:

- https://huggingface.co/datasets/speech_commands

even thought it's task tags seem correct: 
https://raw.githubusercontent.com/huggingface/datasets/master/datasets/speech_commands/README.md