Extension causes high cpu load

[kyle-wrenn]

• Issue Type: Performance
• Extension Name: swagger-viewer
• Extension Version: 2.2.2
• OS Version: Darwin x64 18.5.0
• VSCode version: 1.33.1

:warning: Make sure to attach this file from your home-directory: :warning:/Users/a564276/Arjun.swagger-viewer-unresponsive.cpuprofile.txt

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

[kyle-wrenn]

Arjun.swagger-viewer-unresponsive.cpuprofile.txt