issue: Combobox has dropdown icon overlap

[nickfun]

<Combobox> when displaying the list of options any other down-arrow icons will display over the list.

Expand the "Forms Example" on here: https://codesandbox.io/s/paste-starter-kit-forked-5cpvl

shots:

overlap when open:

our workaround: https://code.hq.twilio.com/react/console-ahoy-v2/pull/24

[SiTaggart]

Hi @nickfun, Thanks for the bug report. Definitely looks like a simple z-index issue with the combobox listbox. We'll add it to the backlog and get a fix out next sprint.

[serifluous]

Hey @nickfun ! We just merged in a fix for this (#917) Thanks, again.