Autocomplete-box loses focus only when dropdown select
Autocomplete-box loses focus only when dropdown select

Current behaviour is that anytime selectedItem changed, you will lose
the focus. It's confusing that changing focus depends on a internal state
rather than user action. Change it denpends on user selecting dropdown.

Bug: chromium:993890
Change-Id: Ie19c4441705b7335404854189397eb20016b7dcf
Reviewed-on: https://chromium-review.googlesource.com/c/catapult/+/1916570
Reviewed-by: Dean Berris <34a37f59e4ade3cf49221306f04217acf3e86255@chromium.org>
Reviewed-by: Andrew Bennetts <f07c55753dac44d78e0294a1d64ea321baaa78f4@google.com>
Commit-Queue: Chenlin Fan <ade7e59805b81f027d537665b2c12c1956198b97@chromium.org>

catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult