Add bookmark highlight to overview scale bar

[carolinebridge]

• adds highlights to overview scale bar for bookmarks
• adds new extension point OverviewScalebarComponent to accomplish this
• aligns styling between bookmark highlights and url param highlights

Outlines for comparison (I think they might make the regions more visible in the overview scale bar):

Resolves #4246

[carolinebridge]

Todos:

• Decide on border or no border on highlights
• I think having the border on the Overview and none on the track is a good compromise for visibility?
• Add theme config option for URL param highlight instead of using quaternary color
• default theming uses the same quat. color

[carolinebridge]

[codecov]

Codecov Report

Attention: Patch coverage is 90.47619% with 4 lines in your changes are missing coverage. Please review.

Project coverage is 62.64%. Comparing base (c8fc800) to head (3225693).
Report is 4 commits behind head on main.

Files	Patch %	Lines
...kWidget/components/Highlight/OverviewHighlight.tsx	87.09%	3 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4266      +/-   ##
==========================================
- Coverage   62.68%   62.64%   -0.04%     
==========================================
  Files        1087     1088       +1     
  Lines       31392    31427      +35     
  Branches     7493     7505      +12     
==========================================
+ Hits        19678    19688      +10     
- Misses      11538    11563      +25     
  Partials      176      176              

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[cmdcolin]

any reason for overflow: hidden being added here?

[carolinebridge]

without it, the icon on the highlight always shows (so if you're zoomed out and the highlight is a sliver you see it)

realistically, anything you're highlighting and looking at, you'd be a close enough zoom level to make use of the icon options, i think

[cmdcolin]

sounds good. i had this idea that possibly the link icon could even be hidden if the user is not hovering over, as the user might like it hidden for e.g. screenshot. just an idea though

[cmdcolin]

fixed #4130 :)