TTK demo test runner option to "import from GitHub" causing browser crash

[elnyry-sam-k]

Summary:
Trying to "import a collection from GitHub" on the newly introduced 'demotestrunner' feature (/page) is causing a crash in the browser (observed in Brave and Chrome); snapshot provided at the end

Severity:
Low

Priority:
Low

Expected Behavior
Using the "import from github" option in 'demotestrunner' page should provide options to download collections / files from GitHub similar to test collections without any crash

Steps to Reproduce

1. Open demotestrunner page in browser (chrome or brave) host:port/demotestrunner
2. Using the top left option for configuration, choose "import from github"
3. Observe a crash in the webpage of browser

Specifications

• Component (if known): Mojaloop Testing Toolkit UI
• Version: v13.3.0
• Platform: Chrome, Brave
• Subsystem: TTK UI
• Type of testing: Exploratory
• Bug found/raised by: @vijayg10

Notes:

• Severity when opened: Low
• Priority when opened: Low

** Pull Requests **

• Bugfix/GitHub crash demo test runner ml-testing-toolkit-ui#117