Let Canvas refresh when height is changed

[madprog]

Description

When the grid is resized with the window (e.g. it is in a flex box), its height is not updated all the time, because the shouldComponentUpdate method is not considering the height prop.

Please check if the PR fulfills these requirements

• The commit message follows our guidelines: https://github.com/adazzle/react-data-grid/blob/master/CONTRIBUTING.md
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

What kind of change does this PR introduce? (check one with "x")

[x] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Other... Please describe:

What is the current behavior? (You can also link to an open issue here)

When the grid is resized with the window (e.g. it is in a flex box), its height is not updated all the time.

What is the new behavior?

When the grid is resized with the window, its height is updated smoothly

Does this PR introduce a breaking change? (check one with "x")

[ ] Yes
[x] No

If this PR contains a breaking change, please describe the impact and migration path for existing applications: ...

Other information:

[coveralls]

Changes Unknown when pulling 2a103c6 on madprog:refresh-on-height-change into ** on adazzle:master**.

[coveralls]

Changes Unknown when pulling 2a103c6 on madprog:refresh-on-height-change into ** on adazzle:master**.