feat: Reaction popover and messages padding

[przemvs]

Description

Changed right sidebar overlapping to the message wrapper, now we have slide animation while opening right sidebar.
Changed paddings between messages.
Fixed not centered position in top bar, while showing alert about turning on notifications.

Screenshots/Screencast (for UI changes)

Checklist

• PR has been self reviewed by the author;
• Hard-to-understand areas of the code have been commented;
• If it is a core feature, unit tests have been added;

Important details for the reviewers

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

❗ No coverage uploaded for pull request base (release/q1-2024@8dec931). Click here to learn what that means.

Additional details and impacted files

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