[FLOW] Do not render big CM. Monotone constraints UI. Fix Flow tests. (#3237)
[FLOW] Do not render big CM. Monotone constraints UI. Fix Flow tests. (#3237)

This resolves following issues:

- https://0xdata.atlassian.net/projects/ITA/issues/ITA-366
- https://0xdata.atlassian.net/projects/PUBDEV/issues/PUBDEV-6222
- https://0xdata.atlassian.net/projects/PUBDEV/issues/PUBDEV-6207

Updates Flow to 0.9.7.
h2oai/h2o-dev,h2oai/h2o-3,h2oai/h2o-3,michalkurka/h2o-3,h2oai/h2o-3,h2oai/h2o-dev,michalkurka/h2o-3,h2oai/h2o-3,michalkurka/h2o-3,h2oai/h2o-dev,michalkurka/h2o-3,michalkurka/h2o-3,h2oai/h2o-3,h2oai/h2o-dev,h2oai/h2o-3,michalkurka/h2o-3,h2oai/h2o-3,h2oai/h2o-dev,h2oai/h2o-dev,michalkurka/h2o-3,h2oai/h2o-3,h2oai/h2o-dev