• VSCode Version: Version 1.21.1 (1.21.1)
• OS Version: macOS 10.13.3 (17D102)

Steps to Reproduce:

1. open workspace
2. type something in search - it will not execute search till click of Return/Enter or mouse click

Does this issue occur when all extensions are disabled?: Yes

While for some workspaces with tens of thousands of files it would be performance killer for smaller workspaces I would like to have the option to search "live". When I don't know the exact name of the file I could just start typing and search would make it's job.