Fix display of cytobands when horizontally flipped

[cmdcolin]

Currently the little "caps" on the ends of the cytobands are in the wrong orientation if the view is horizontally flipped

This fixes that

Note that we could also consider making a better indication of horizontally flipped status when cytobands are visible. The <<< chevrons from when the cytoband is not present are not used when the cytoband is present

[codecov]

Codecov Report

Merging #2782 (a1fe4a4) into main (01bffe2) will decrease coverage by 0.00%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main    #2782      +/-   ##
==========================================
- Coverage   60.17%   60.16%   -0.01%     
==========================================
  Files         572      572              
  Lines       26613    26616       +3     
  Branches     6485     6488       +3     
==========================================
  Hits        16014    16014              
- Misses      10274    10277       +3     
  Partials      325      325              

Impacted Files	Coverage Δ
...c/LinearGenomeView/components/OverviewScaleBar.tsx	65.04% <0.00%> (-1.63%)	⬇️

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