Jittery ssh host input box

<!-- Please search existing issues to avoid creating duplicates. --> <!-- Also please test using the latest insiders build to make sure your issue has not already been fixed: https://code.visualstudio.com/insiders/ --> Extension version: 2019.5.42881 VS Code version: Code - Insiders 1.35.0-insider (e9c50663154c369a06355ce752b447af5b580dc3, 2019-05-30T05:18:06.502Z) OS version: Darwin x64 18.6.0 Remote OS version: Linux x64 4.18.0-1014-azure **Steps to Reproduce:** 1. Run the `ssh: Connect to host` command 2. Enter a custom host name **Bug** On each letter press, notice the host name input jittering slightly:  (gif doesn't do a great job of capturing this but it happens on each keypress) <!-- Check to see if the problem is general, with a specific extension, or only happens when remote --> Does this issue occur when you try this locally?: NA Does this issue occur when you try this locally and all extensions are disabled?: NA