a bit late but made a fix, go into factorio mods folder, unzip this mod (rz-quality-labs), delete the original zip, add this lines in the data-updates.lua under the "legendary" line, zip the folder again and delete the unziped folder
data.raw.quality["mythical"].science_pack_drain_multiplier = 0.1328
data.raw.quality["masterwork"].science_pack_drain_multiplier = 0.1056
data.raw.quality["wondrous"].science_pack_drain_multiplier = 0.08
data.raw.quality["artifactual"].science_pack_drain_multiplier = 0.0256
edit: or you can simply download the fixed mod from here: https://github.com/Martin5z/quality-lab-more-qualities-fix