webui: add autoscroll checkbox for on going logs
webui: add autoscroll checkbox for on going logs

Former-commit-id: 57aa43461ff74bbaf7d388474ce4e1b306fd9c2a [formerly b9dc76bf1740b9cdfb0a52ceeb94f04104532055] [formerly b9dc76bf1740b9cdfb0a52ceeb94f04104532055 [formerly 454bc46c31e44599399efd0e1dc3771f7d483760]]
Former-commit-id: 9f34c2fe84844c39bd9ce166370894e3a2f5eabb
Former-commit-id: 41cb8769030001d52e45f10d4af3b83cb5ea589b
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine