Added bullet point separator to horizontal lists

[saberlynx]

Checklist:

• [] Tests
• CHANGELOG Entry

[codecov]

Codecov Report

Merging #1494 into master will decrease coverage by 0.07%.
The diff coverage is 34.48%.

@@            Coverage Diff             @@
##           master    #1494      +/-   ##
==========================================
- Coverage    37.1%   37.03%   -0.08%     
==========================================
  Files         999      999              
  Lines       22283    22294      +11     
  Branches     6121     6133      +12     
==========================================
- Hits         8268     8256      -12     
- Misses      12702    12724      +22     
- Partials     1313     1314       +1

Impacted Files	Coverage Δ
gsa/src/web/pages/filters/details.js	20% <0%> (-2.23%)	⬇️
gsa/src/web/pages/users/details.js	14.28% <0%> (-1.1%)	⬇️
gsa/src/web/pages/groups/details.js	33.33% <0%> (-6.67%)	⬇️
gsa/src/web/pages/targets/details.js	9.67% <0%> (-0.33%)	⬇️
gsa/src/web/pages/roles/details.js	33.33% <0%> (-6.67%)	⬇️
gsa/src/web/pages/alerts/details.js	7.14% <0%> (-0.27%)	⬇️
gsa/src/web/pages/notes/details.js	9.09% <0%> (-0.44%)	⬇️
gsa/src/web/pages/credentials/details.js	8.33% <0%> (-0.76%)	⬇️
gsa/src/web/pages/tasks/details.js	5% <0%> (-0.07%)	⬇️
gsa/src/web/pages/overrides/details.js	9.09% <0%> (-0.44%)	⬇️
... and 9 more

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[bjoernricks]

I really would like to introduce an own component for displaying the bullet. With an own component it is easier to change the behavior in future.

[saberlynx]

I really would like to introduce an own component for displaying the bullet. With an own component it is easier to change the behavior in future.

I added it. I still have to write a test for the horizontalsep component. I have some options in there because I already wrote them :P