webui: use a different method to filter outputs
webui: use a different method to filter outputs

Former-commit-id: 5e2d5d9682f31aea271648825124ace6529a8f5e [formerly cca9b0ab51d586969df953e485256feabecf99c1]
Former-commit-id: 8874a58bb2b15af47dc078201c753b6a9c80c282
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine