Limit the length of result description with a div

[saberlynx]

Checklist:

• [] Tests
• CHANGELOG Entry

[codecov]

Codecov Report

Merging #1834 into gsa-8.0 will decrease coverage by <.01%.
The diff coverage is 50%.

@@            Coverage Diff             @@
##           gsa-8.0   #1834      +/-   ##
==========================================
- Coverage     40.4%   40.4%   -0.01%     
==========================================
  Files          965     965              
  Lines        22133   22131       -2     
  Branches      6263    6262       -1     
==========================================
- Hits          8943    8941       -2     
  Misses       11937   11937              
  Partials      1253    1253

Impacted Files	Coverage Δ
gsa/src/web/pages/results/details.js	8.51% <50%> (+1.98%)	⬆️
gsa/src/gmp/model.js	100% <0%> (ø)	⬆️
gsa/src/web/pages/permissions/dialog.js	6.12% <0%> (ø)	⬆️

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[bjoernricks]

The changelog needs an update