Extension causes high cpu load

Issue Type: Performance
Extension Name: schema-visualization
Extension Version: 0.3.0
OS Version: Windows_NT x64 10.0.19041
VSCode version: 1.23.0

:warning: Make sure to attach this file from your home-directory: :warning:C:\Users\russellf.ARARATDOM\R0tenur.schema-visualization-unresponsive.cpuprofile.txt

Find more details here: https://github.com/microsoft/vscode/wiki/Explain-extension-causes-high-cpu-load

R0tenur / visualization

Extension causes high cpu load #25