fix(dashboard): adjust the bar chart display

[pedrooot]

Context

Fix ##6653

Description

This PR adjusts the number of characters showed on the lines graph from compliance Page in Prowler dashboard.

Checklist

• Are there new checks included in this PR? Yes / No
  • If so, do we need to update permissions for the provider? Please review this carefully.
• Review if the code is being covered by tests.
• Review if code is being documented following this specification https://github.com/google/styleguide/blob/gh-pages/pyguide.md#38-comments-and-docstrings
• Review if backport is needed.
• Review if is needed to change the Readme.md

License

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.74%. Comparing base (ccdb54d) to head (f57d79e).
Report is 64 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6690      +/-   ##
==========================================
- Coverage   88.76%   88.74%   -0.02%     
==========================================
  Files        1195     1195              
  Lines       34471    34471              
==========================================
- Hits        30597    30591       -6     
- Misses       3874     3880       +6     

Flag	Coverage Δ
prowler	88.74% <ø> (-0.02%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
prowler	88.74% <ø> (-0.02%)	⬇️
api	∅ <ø> (∅)

[prowler-bot]

💚 All backports created successfully

Status	Branch	Result
✅	v4.6
✅	v5.2

Questions ?

Please refer to the Backport tool documentation and see the Github Action logs for details