Ability to define more precisely visualization height/width on a dashboard

[fbaligand]

Currently, when we change visualization height/width on a dashboard :
We can increase/decrease height per 100px.
We can increase/decrease width per 123px.

It is not very accurate, and so, is not very flexible for Kibana users.
This is particularly annoying when you want to avoid a vertical scrollbar in a visualization, and it requires 100px more in height, which is a lot.

=> Could you reduce these thresholds ? Like divide them by 2 ?
Or even better, no threshold at all, like Kibana Canvas.

[nreese]

Closed, duplicate of #15340

There is a PR, #16763, out for small panel height. Does this meet you needs?

[fbaligand]

Yes, it is great !
I only wonder if it fixes also dashboard grid width.