Fix: GSI messaging on correct urls.

[amovar18]

Description

Sometimes when the site is reloaded quickly then the GSI shows error saying we are on invalid URL. This PR aims to fix that.

Relevant Technical Choices

Testing Instructions

• Clone this branch and in terminal run npm start.
• Open a fresh browser instance.
• Go to linkedin.com
• Open PSAT.
• Now click on reload button twice (Start a reload cancel the reload and then start again).
• GSI section should not show invalid URL message.

Additional Information:

Screenshot/Screencast

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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 #681