Fix: Update UI/UX of components

[mayan-000]

Description

This PR updates few items

• In the dark mode, the “i” icon not visible properly for undermined cookies.
• Add a hover state for the known breakages. The accordion menu doesn’t have a hover state.
• Upon keyboard navigation to the extension, pressing the Enter key should trigger the collapse/expand functionality of the section.
• Truncate the table cell's value if the content is bigger than the column size.

Relevant Technical Choices

Testing Instructions

• Open the Privacy Sandbox panel and navigate to the Cookie landing page.
• Find the known breakages section and hover over the accordion.
• The hover state will change the bg color.
• Now navigate to the cookie table and enable the mapping column.
• You'll find an info icon with Undetermined cookies visible in dark mode.
• Now try resizing some columns, you'll see column values bigger than column size will be truncated.
• Now click on the cookies sidebar title, and try pressing the Enter or Space key.
• It should toggle the state of the sidebar to open or close.

Additional Information:

Screenshot/Screencast

Screen.Recording.2024-05-17.at.12.51.04.mov

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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 #

[amovar18]

LGTM!

[fellyph]

@mayan-000, the item:

Now click on the cookies sidebar title, and try pressing the Enter or Space key.

Can be associated with issue #678