Multiple "Mix precise and search-based results" toggles appearing

Created by: sqs

At 00:28:42 in https://sourcegraph.zoom.us/rec/play/Myqcmn821ua4oQifFsgtN5l3CTtnD7wrfD_R51vDLzkNkA5bXQfJya9ZyRHxBqG5hj28fAU3ZL1w6Oy6.UYlwH4Ugsst1Tyu4?autoplay=true&startTime=1627621138000 (a Zoom livestream with a user), there are multiple Mix precise and search-based results buttons shown:

My guess is that this is caused by multiple language extensions being activated.