web: Fix image URL in capture lightbox
web: Fix image URL in capture lightbox

adongy/spreads,nafraf/spreads,DIYBookScanner/spreads,miloh/spreads,gareth8118/spreads,adongy/spreads,adongy/spreads,DIYBookScanner/spreads,miloh/spreads,gareth8118/spreads,nafraf/spreads,nafraf/spreads,gareth8118/spreads,miloh/spreads,DIYBookScanner/spreads