Incrementing spinner use case

[nroggeman-ledger]

Description

The goal of this PR is to implement the ability to call nbgl_useCaseSpinner() several time in a raw. It enables to "turn" the corner, for example when used in some steps of a long mono-process, preventing the automatic update.
This is a cherry-pick on API LEVEL 22

Changes include

• Bugfix (non-breaking change that solves an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (change that is not backwards-compatible and/or changes current functionality)
• Tests
• Documentation
• Other (for changes that might not fit in any category)

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

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Additional details and impacted files

@@               Coverage Diff               @@
##             API_LEVEL_22     #850   +/-   ##
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  Coverage                ?   83.02%           
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  Files                   ?        9           
  Lines                   ?      483           
  Branches                ?        0           
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  Hits                    ?      401           
  Misses                  ?       82           
  Partials                ?        0           

Flag	Coverage Δ
unittests	83.02% <ø> (?)

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