chore: simplify the NumberTicker interface

[kathaypacific]

Description

As the title, this addresses some discussions we had in #5345 about possible misuse of the props. This PR makes it harder to screw up the styles.

Test plan

No visual changes

https://github.com/valora-inc/wallet/assets/20150449/2b203175-13a2-4dc3-bbd5-e53923e82d5a

Related issues

• Fixes RET-1072

Backwards compatibility

Y

Network scalability

If a new NetworkId and/or Network are added in the future, the changes in this PR will:

• [x] Continue to work without code changes, OR trigger a compilation error (guaranteeing we find it when a new network is added)

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 91.66667% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 86.09%. Comparing base (fbf9d4a) to head (3296779).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5369      +/-   ##
==========================================
- Coverage   86.10%   86.09%   -0.01%     
==========================================
  Files         737      737              
  Lines       30015    30016       +1     
  Branches     5141     5143       +2     
==========================================
- Hits        25843    25841       -2     
- Misses       3945     3948       +3     
  Partials      227      227              

Files	Coverage Δ
src/points/PointsHome.tsx	100.00% <ø> (ø)
src/components/NumberTicker.tsx	96.96% <91.66%> (+0.09%)	:arrow_up:

... and 2 files with indirect coverage changes

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[bakoushin]

Like the idea of extracting the line height from the style!