Plot doesn't resize properly in CSS's flexbox and grid layout

[antoinerg]

Moving issue plotly/react-plotly.js#102 over here.

As reported by @swiperii, a plot doesn't resize properly when using CSS grid for page layout.
It will grow, but it never shrinks.

Example:
https://codepen.io/antoinerg/pen/jvdjrv

[antoinerg]

Example of Flexbox not working:
https://codepen.io/antoinerg/pen/ZMgMEo