fix(trace) account for head or tail end of icons

[JonasBa]

Span bars sometimes have icons at the head or tail end, which means they can overlap with the duration bars and cause visual issues. This PR computes the span bar space according to the min and max timestamps so that the duration labels no longer overlap.

Before:

CleanShot.2024-06-17.at.16.16.01.mp4

After:

CleanShot.2024-06-17.at.16.16.16.mp4

[codecov]

Codecov Report

Attention: Patch coverage is 43.24324% with 21 lines in your changes missing coverage. Please review.

Project coverage is 78.03%. Comparing base (312d1cb) to head (121729c).
Report is 68 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #72884      +/-   ##
==========================================
- Coverage   78.04%   78.03%   -0.02%     
==========================================
  Files        6601     6602       +1     
  Lines      294316   294338      +22     
  Branches    50753    50749       -4     
==========================================
- Hits       229708   229691      -17     
+ Misses      58368    58317      -51     
- Partials     6240     6330      +90     

Files	Coverage Δ
...ic/app/views/performance/newTraceDetails/trace.tsx	58.50% <100.00%> (+0.32%)	⬆️
...formance/newTraceDetails/traceModels/traceTree.tsx	71.04% <0.00%> (-0.15%)	⬇️
...eDetails/traceRenderers/virtualizedViewManager.tsx	45.70% <40.62%> (-0.29%)	⬇️

... and 158 files with indirect coverage changes

[Zylphrex]

There's a mix of snake case and camel case here that you may want to clean up at some point.