feedback for webui overview page refactor

[Lijiaoa]

related issue

• global padding issue -- @Lijiaoa

Experiment model

• show experiment name (now only show experiment id, name also is important). -- lijiaoa

Duration model

• max duration unit issue's fix : max duration show as a string: x h x min x s, user edit this string. -- lijiaoa

config | search space model

• config|search space button style: border? bgcolor? -- @yangou1988
• show duration with unit in config modal -- lijiaoa

command model -- drive by @liuzhe-lz

• discuss which field to show

• how to show advisor field

• directory field is so long

• Edit experiment param's update bug -- lijiaoa

[Lijiaoa]

This issue is done in PR #2924, so it's closed.