Fix: Add provider to allowed list

[mayan-000]

Description

This PR converts the useAllowedList hook to a context provider. This allows the latest data to be always available and not calculated only when the cookie table is opened.

• At times, for the first installation of the extension, if any cookie was allowed-listed and the user moved to the landing page and revisited the frame, the CSS might not get applied for those cookies or there might be a delay.

Relevant Technical Choices

Testing Instructions

• Remove PSAT from the browser if present, and make a fresh install of the extension.
• Turn on CDP, move to the first frame, and allow-list a third-party cookie.
• Move out to the landing page and visit back the frame, CSS will be applied correctly.

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 #