chore(inline-time-picker): support focus and focus traps (VIV-2296)

[RichardHelm]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (d61b119) to head (74cd8c7).
Report is 1310 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##              main     #2146      +/-   ##
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  Coverage   100.00%   100.00%              
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  Files          123       357     +234     
  Lines         1562     16322   +14760     
  Branches       108      2925    +2817     
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+ Hits          1562     16322   +14760     

Flag	Coverage Δ
unittests	100.00% <100.00%> (ø)

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[YonatanKra]

I commented on the changes for inline-time-picker.
We all agreed to work in small interations. That means, each PR should have a single purpose and as few files changed as possible.
To do that, we should finish this PR for the inline-time-picker focus handling, merge it, and then move on to using inline-time-picker. The idea is to merge what's ready.

[RichardHelm]

@YonatanKra Sure, I've split the PR

[YonatanKra]

Final small changes :)