Fix usePopover subsequent click issue (#600)

Author: mdodgelooker

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [UNRELEASED]
+
+### Fixed
+
+- `usePopover` issue where the next click after a popover closes is canceled
+
 ## [0.7.20] - 2020-02-25
 
 ### Fixed

packages/components/src/Popover/Popover.tsx

@@ -310,6 +310,7 @@ function usePopoverToggle(
 
     function handleClickOutside(event: MouseEvent) {
       checkCloseAndStopEvent(event)
+      setMouseDownTarget(null)
     }
 
     function handleMouseUp() {