Description

It was observed that when you visit a 404 page, the library detection section goes into infinite loop. This PR aims to handle that case by showing a error text.

Relevant Technical Choices

• Use chrome.webNavigation.onErrorOccurred.addListener to know the error occured.

Testing Instructions

• Visit any website like linkedin.com and then change the url to something invalid like exampledddfdfdfdd.com
• Library detection section should now show a error message.

Additional Information:

Screenshot/Screencast

Checklist

• I have thoroughly tested this code to the best of my abilities.
• I have reviewed the code myself before requesting a review.
• ~ This code is covered by unit tests to verify that it works as intended.~
• The QA of this PR is done by a member of the QA team (to be checked by QA).

Fixes #