Fix: memory usage by PSAT UI

[amovar18]

Description

In our effort to increase the performance of the extension, we have added a PR to reduce the memory usage of the extension.

Relevant Technical Choices

• Data from the service worker will not be emitted if there isn't any new data to display.
• Deep object diff has been replaced by loadash is equal.

Testing Instructions

• Clone this branch.
• In the terminal run npm i && npm run build:ext.
• Open any website the extension should not break.

Additional Information:

Screenshot/Screencast

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Checklist

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