fix: unicode submission history (#29338)
fix: unicode submission history (#29338)

Co-authored-by: Constanza Abarca <7c06cc4124f24af1de0702178af951d129e921b6@gmail.com>
eduNEXT/edx-platform,angelapper/edx-platform,eduNEXT/edx-platform,angelapper/edx-platform,arbrandes/edx-platform,arbrandes/edx-platform,arbrandes/edx-platform,angelapper/edx-platform,angelapper/edx-platform,arbrandes/edx-platform,eduNEXT/edx-platform,eduNEXT/edx-platform