Ability to change cursor height

[roboslone]

In some apps (Sublime Text, IDEA and iTerm2) cursor height matches font size is not affected by line height.

For example, Sublime Text 3:

VS Code's cursor height is affected by line height, which doesn't look as good:

Could you please make this configurable?

[usernamehw]

Old ticket with the same issue: #27931

[roboslone]

And there's event a PR!

[berknam]

Will this allow to set the height of the block cursor or the underline cursor as well? So that we can have an half block cursor?