Finished scap sync-world: Backport for [[gerrit:1265631|util.js: Allow passing isVectorized to adjustThumbWidthForSteps (T414805 T411013 T421589)]], [[gerrit:1265630|util.js: Allow passing isVectorized to adjustThumbWidthForSteps (T414805 T411013 T421589)]], [[gerrit:1265632|Pass whether the image is svg to adjustThumbWidthForSteps (T414805 T411013 T421589)]] (duration: 12m 40s)