Bug Description:

When activating intellisense it is extremely slow to load up. About 10 seconds.

Steps to Reproduce:

1. install theia using docker on debian 10 digital ocean 8GB ram machine
2. git clone project into /home/project
3. Install Golang extension
4. fire up any intellisense menu

https://giphy.com/embed/hsPc9EvfqJ8YMQ8zZd

• Operating System:
  Debian 10

• Theia Version:
  latest