-e: see title, you are not able to type anything into the input field
--works on 2018.1.6, 2018.2b5, doesn't work with 2018.2b10

-repro:
--create new project
--select any asset
--in the inspector bottom right click on the label icon > a list of existing labels is shown
--click into the input field at the top and remove anything in there by clicking the X on the right
--start typing
---the actual workflow is to type a name and hit enter which creates a label
--NOTICE nothing is happening