Contrast and Saturation are kept when "Apply Current Video Filters: no" is set

[Sodra]

mpv version and platform

Arch Linux Linux 5.19.2-zen1-1-zen

mpv 0.34.1-dirty Copyright :copyright: 2000-2021 mpv/MPlayer/mplayer2 projects
 built on UNKNOWN
FFmpeg library versions:
   libavutil       57.17.100 (runtime 57.28.100)
   libavcodec      59.18.100 (runtime 59.37.100)
   libavformat     59.16.100 (runtime 59.27.100)
   libswscale      6.4.100 (runtime 6.7.100)
   libavfilter     8.24.100 (runtime 8.44.100)
   libswresample   4.3.100 (runtime 4.7.100)
FFmpeg version: n5.1

Description

When "Apply Current Video Filters" is set to no, it still keeps the mpv contrast and saturation setting (applied through the 1/2 and 7/8 keys)

negative 100 saturation.webm
negative 100 gamma.webm
negative 100 contrast.webm