feat(what-input): add functionality for changing the currentInput

[mnajdova]

This PRs adds reset functinality for the what input service, and is used in the Popup. It fixes existing bug in the Popup using the popupFocusTrapBehavior together with the on='hover' prop.

Previously:

After:

[codecov]

Codecov Report

Merging #1151 into master will decrease coverage by 0.01%.
The diff coverage is 33.33%.

@@            Coverage Diff             @@
##           master    #1151      +/-   ##
==========================================
- Coverage    82.4%   82.38%   -0.02%     
==========================================
  Files         733      733              
  Lines        8717     8720       +3     
  Branches     1230     1230              
==========================================
+ Hits         7183     7184       +1     
- Misses       1519     1521       +2     
  Partials       15       15

Impacted Files	Coverage Δ
packages/react/src/components/Popup/Popup.tsx	75.93% <0%> (-0.41%)	⬇️
packages/react/src/lib/whatInput.ts	63.01% <50%> (-0.37%)	⬇️

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