E.g. avoid calling the rather expensive method multiple times
in a row, if only 1 of the results is needed.
Change-Id: Iff1d2c0892367e927303f6f45d3231e04c045cab
* Re-focus the input field after closing the message.
* Store only the message key. That's all that's needed.
* Avoid a class property that's not needed.
* Use the config object instead of calling .setLabel() manually.
Bug: T284742
Change-Id: If8e8bb6460fa5aea8ddd46c2e27b5f08b7772896