For #8600:Increase space below left checkbox preference

[mcarare]

Pull Request checklist

• Tests: This PR includes thorough tests or an explanation of why it does not
• Screenshots: This PR includes screenshots or GIFs of the changes made or an explanation of why it does not
• Accessibility: The code in this PR follows accessibility best practices or does not include any user facing features.

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• Milestone: Make sure issues finished by this pull request are added to the milestone of the version currently in development.

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[codecov-io]

Codecov Report

Merging #9125 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master    #9125   +/-   ##
=========================================
  Coverage     19.54%   19.54%           
  Complexity      511      511           
=========================================
  Files           329      329           
  Lines         13130    13130           
  Branches       1737     1737           
=========================================
  Hits           2566     2566           
+ Misses        10340    10339    -1     
- Partials        224      225    +1

Impacted Files	Coverage Δ	Complexity Δ
...c/main/java/org/mozilla/fenix/components/Search.kt	91.66% <0%> (-8.34%)	2% <0%> (ø)
...ix/home/sessioncontrol/SessionControlController.kt	66.95% <0%> (+0.86%)	0% <0%> (ø)	⬇️

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[BranescuMihai]

I would suggest adding paddingTop=8dp instead, so that when you press it and the ripple effect takes place, the text and checkbox look centered in the button

EDIT: I just read the comments on the task, didn't realise they were connected.

LGTM!